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157055931260 = 22522619347177
BaseRepresentation
bin1001001001000101000…
…0110101001101111100
3120000101111102221220222
42102101100311031330
510033122304300020
6200052301400512
714226664250264
oct2222120651574
9500344387828
10157055931260
1160674a847a8
1226531869138
1311a6c339407
14785c90a7a4
154143295b25
hex249143537c

157055931260 has 24 divisors (see below), whose sum is σ = 329832987120. Its totient is φ = 62819414144.

The previous prime is 157055931257. The next prime is 157055931289. The reversal of 157055931260 is 62139550751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278792 + ... + 625968.

It is an arithmetic number, because the mean of its divisors is an integer number (13743041130).

Almost surely, 2157055931260 is an apocalyptic number.

157055931260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157055931260 is an abundant number, since it is smaller than the sum of its proper divisors (172777055860).

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

157055931260 is a wasteful number, since it uses less digits than its factorization.

157055931260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369805 (or 369803 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 157055931260 in words is "one hundred fifty-seven billion, fifty-five million, nine hundred thirty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 22619 45238 90476 113095 226190 347177 452380 694354 1388708 1735885 3471770 6943540 7852796563 15705593126 31411186252 39263982815 78527965630 157055931260