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89722040920 = 23519294070873
BaseRepresentation
bin101001110001111011…
…0011011001001011000
322120120212211220221121
41103203312123021120
52432222320302140
6105115010415024
76324252523141
oct1234366331130
9276525756847
1089722040920
1135061831346
121547b891474
1385cb370855
1444b2024ac8
152501c7364a
hex14e3d9b258

89722040920 has 64 divisors (see below), whose sum is σ = 219827196000. Its totient is φ = 32827511808.

The previous prime is 89722040917. The next prime is 89722040927. The reversal of 89722040920 is 2904022798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89722040927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013397 + ... + 2057476.

Almost surely, 289722040920 is an apocalyptic number.

It is an amenable number.

89722040920 is an abundant number, since it is smaller than the sum of its proper divisors (130105155080).

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

89722040920 is a wasteful number, since it uses less digits than its factorization.

89722040920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070932 (or 4070928 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 89722040920 in words is "eighty-nine billion, seven hundred twenty-two million, forty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 29 38 40 58 76 95 116 145 152 190 232 290 380 551 580 760 1102 1160 2204 2755 4408 5510 11020 22040 4070873 8141746 16283492 20354365 32566984 40708730 77346587 81417460 118055317 154693174 162834920 236110634 309386348 386732935 472221268 590276585 618772696 773465870 944442536 1180553170 1546931740 2243051023 2361106340 3093863480 4486102046 4722212680 8972204092 11215255115 17944408184 22430510230 44861020460 89722040920