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355945490990 = 25192731379859
BaseRepresentation
bin1010010111000000000…
…00010010101000101110
31021000202110020102201222
411023200000102220232
521312434021202430
6431304043103342
734500442516145
oct5134000225056
91230673212658
10355945490990
11127a56a4a771
1258b99511b52
132774759082b
141332933275c
1593d3ec09e5
hex52e0012a2e

355945490990 has 96 divisors (see below), whose sum is σ = 690534214560. Its totient is φ = 132052405248.

The previous prime is 355945490947. The next prime is 355945491029. The reversal of 355945490990 is 99094549553.

It is a happy number.

It is a super-2 number, since 2×3559454909902 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36098681 + ... + 36108539.

It is an arithmetic number, because the mean of its divisors is an integer number (7193064735).

Almost surely, 2355945490990 is an apocalyptic number.

355945490990 is a deficient number, since it is larger than the sum of its proper divisors (334588723570).

355945490990 is a wasteful number, since it uses less digits than its factorization.

355945490990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10095 counting only the distinct ones).

The product of its (nonzero) digits is 39366000, while the sum is 62.

The spelling of 355945490990 in words is "three hundred fifty-five billion, nine hundred forty-five million, four hundred ninety thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 73 95 137 146 190 274 361 365 685 722 730 1370 1387 1805 2603 2774 3610 5206 6935 9859 10001 13015 13870 19718 20002 26030 26353 49295 49457 50005 52706 98590 98914 100010 131765 187321 190019 247285 263530 374642 380038 494570 719707 936605 950095 1350683 1439414 1873210 1900190 2701366 3559099 3598535 3610361 6753415 7118198 7197070 7220722 13506830 13674433 17795495 18051805 25662977 27348866 35590990 36103610 51325954 68372165 98599859 128314885 136744330 197199718 256629770 259814227 487596563 492999295 519628454 975193126 985998590 1299071135 1873397321 2437982815 2598142270 3746794642 4875965630 9366986605 18733973210 35594549099 71189098198 177972745495 355945490990