Search a number
-
+
31077853002808 = 23191991027434971
BaseRepresentation
bin1110001000011111000000…
…11000110111110000111000
311002001000101000021111111121
413010033200120313300320
513033134420332042213
6150032545113435024
76355205111632633
oct704174030676070
9132030330244447
1031077853002808
1199a2052905287
12359b11a10ba74
131445823aa8351
1479626736ac1a
1538d6162b188d
hex1c43e0637c38

31077853002808 has 32 divisors (see below), whose sum is σ = 61646098320000. Its totient is φ = 14647112932320.

The previous prime is 31077853002743. The next prime is 31077853002853. The reversal of 31077853002808 is 80820035877013.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513687238 + ... + 513747733.

It is an arithmetic number, because the mean of its divisors is an integer number (1926440572500).

Almost surely, 231077853002808 is an apocalyptic number.

31077853002808 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

31077853002808 is a deficient number, since it is larger than the sum of its proper divisors (30568245317192).

31077853002808 is a wasteful number, since it uses less digits than its factorization.

31077853002808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027435195 (or 1027435191 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 31077853002808 in words is "thirty-one trillion, seventy-seven billion, eight hundred fifty-three million, two thousand, eight hundred eight".

Divisors: 1 2 4 8 19 38 76 152 199 398 796 1592 3781 7562 15124 30248 1027434971 2054869942 4109739884 8219479768 19521264449 39042528898 78085057796 156170115592 204459559229 408919118458 817838236916 1635676473832 3884731625351 7769463250702 15538926501404 31077853002808