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50918855484 = 22372101883971
BaseRepresentation
bin101111011011000000…
…000001001100111100
311212102121210212101110
4233123000001030330
51313240211333414
635220343442020
73451550062500
oct573300011474
9155377725343
1050918855484
111a65a403852
129a50756310
134a562388b3
142670798300
1514d0398459
hexbdb00133c

50918855484 has 144 divisors (see below), whose sum is σ = 139878700416. Its totient is φ = 14373072000.

The previous prime is 50918855479. The next prime is 50918855489. The reversal of 50918855484 is 48455881905.

It is an interprime number because it is at equal distance from previous prime (50918855479) and next prime (50918855489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50918855489) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52439119 + ... + 52440089.

It is an arithmetic number, because the mean of its divisors is an integer number (971379864).

Almost surely, 250918855484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50918855484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69939350208).

50918855484 is an abundant number, since it is smaller than the sum of its proper divisors (88959844932).

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

50918855484 is a wasteful number, since it uses less digits than its factorization.

50918855484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 57.

The spelling of 50918855484 in words is "fifty billion, nine hundred eighteen million, eight hundred fifty-five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 101 147 196 202 294 303 404 588 606 707 883 971 1212 1414 1766 1942 2121 2649 2828 2913 3532 3884 4242 4949 5298 5826 6181 6797 8484 9898 10596 11652 12362 13594 14847 18543 19796 20391 24724 27188 29694 37086 40782 43267 47579 59388 74172 81564 86534 89183 95158 98071 129801 142737 173068 178366 190316 196142 259602 267549 285474 294213 356732 392284 519204 535098 570948 588426 624281 686497 857393 1070196 1176852 1248562 1372994 1714786 1872843 2059491 2497124 2572179 2745988 3429572 3745686 4118982 4369967 4805479 5144358 6001751 7491372 8237964 8739934 9610958 10288716 12003502 13109901 14416437 17479868 18005253 19221916 24007004 26219802 28832874 36010506 42012257 52439604 57665748 72021012 84024514 86596693 126036771 168049028 173193386 252073542 259790079 346386772 504147084 519580158 606176851 1039160316 1212353702 1818530553 2424707404 3637061106 4243237957 7274122212 8486475914 12729713871 16972951828 25459427742 50918855484