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2542663760 = 2457132331499
BaseRepresentation
bin1001011110001101…
…1111100001010000
320120012110200221212
42113203133201100
520201410220020
61100150035252
7120003166610
oct22743374120
96505420855
102542663760
1110952a3a0a
125ab648b28
13316a19590
141a1998a40
15ed356cc5
hex978df850

2542663760 has 160 divisors (see below), whose sum is σ = 7312032000. Its totient is φ = 800722944.

The previous prime is 2542663727. The next prime is 2542663843. The reversal of 2542663760 is 673662452.

2542663760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695491 + ... + 1696989.

It is an arithmetic number, because the mean of its divisors is an integer number (45700200).

Almost surely, 22542663760 is an apocalyptic number.

2542663760 is a gapful number since it is divisible by the number (20) 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 2542663760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656016000).

2542663760 is an abundant number, since it is smaller than the sum of its proper divisors (4769368240).

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

2542663760 is a wasteful number, since it uses less digits than its factorization.

2542663760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 2542663760 is about 50424.8327711654. The cubic root of 2542663760 is about 1364.8857861294.

The spelling of 2542663760 in words is "two billion, five hundred forty-two million, six hundred sixty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 233 260 280 364 455 466 520 560 728 910 932 1040 1165 1456 1499 1631 1820 1864 2330 2998 3029 3262 3640 3728 4660 5996 6058 6524 7280 7495 8155 9320 10493 11992 12116 13048 14990 15145 16310 18640 19487 20986 21203 23984 24232 26096 29980 30290 32620 38974 41972 42406 48464 52465 59960 60580 65240 77948 83944 84812 97435 104930 106015 119920 121160 130480 136409 155896 167888 169624 194870 209860 212030 242320 272818 311792 339248 349267 389740 419720 424060 545636 682045 698534 779480 839440 848120 1091272 1364090 1397068 1558960 1696240 1746335 2182544 2444869 2728180 2794136 3492670 4540471 4889738 5456360 5588272 6985340 9080942 9779476 10912720 12224345 13970680 18161884 19558952 22702355 24448690 27941360 31783297 36323768 39117904 45404710 48897380 63566594 72647536 90809420 97794760 127133188 158916485 181618840 195589520 254266376 317832970 363237680 508532752 635665940 1271331880 2542663760