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3918984960 = 28351192779
BaseRepresentation
bin1110100110010110…
…1111011100000000
3101010010021001201010
43221211233130000
531011230004320
61444513240520
7166054552062
oct35145573400
911103231633
103918984960
11173118a450
12914563140
134a5bc7317
142926a5732
1517e0c0ae0
hexe996f700

3918984960 has 144 divisors (see below), whose sum is σ = 13654247040. Its totient is φ = 950046720.

The previous prime is 3918984943. The next prime is 3918984967. The reversal of 3918984960 is 694898193.

3918984960 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3918984960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918984967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150 + ... + 88629.

It is an arithmetic number, because the mean of its divisors is an integer number (94821160).

Almost surely, 23918984960 is an apocalyptic number.

3918984960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3918984960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6827123520).

3918984960 is an abundant number, since it is smaller than the sum of its proper divisors (9735262080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3918984960 is a wasteful number, since it uses less digits than its factorization.

3918984960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92814 (or 92800 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 3918984960 is about 62601.7967793258. The cubic root of 3918984960 is about 1576.6109272241.

The spelling of 3918984960 in words is "three billion, nine hundred eighteen million, nine hundred eighty-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 320 330 352 384 440 480 528 640 660 704 768 880 960 1056 1280 1320 1408 1760 1920 2112 2640 2816 3520 3840 4224 5280 7040 8448 10560 14080 21120 42240 92779 185558 278337 371116 463895 556674 742232 927790 1020569 1113348 1391685 1484464 1855580 2041138 2226696 2783370 2968928 3061707 3711160 4082276 4453392 5102845 5566740 5937856 6123414 7422320 8164552 8906784 10205690 11133480 11875712 12246828 14844640 15308535 16329104 17813568 20411380 22266960 23751424 24493656 29689280 30617070 32658208 35627136 40822760 44533920 48987312 59378560 61234140 65316416 71254272 81645520 89067840 97974624 118757120 122468280 130632832 163291040 178135680 195949248 244936560 261265664 326582080 356271360 391898496 489873120 653164160 783796992 979746240 1306328320 1959492480 3918984960