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11810808374 = 2671511972963
BaseRepresentation
bin10101111111111101…
…01010001000110110
31010111010010020020012
422333332222020312
5143142031331444
65231550340222
7565453133441
oct127776521066
933433106205
1011810808374
115010991162
1223574ba672
131162bc3011
14800850658
15491d4db9e
hex2bffaa236

11810808374 has 32 divisors (see below), whose sum is σ = 18197726976. Its totient is φ = 5747464800.

The previous prime is 11810808371. The next prime is 11810808391. The reversal of 11810808374 is 47380801811.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11810808371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984617 + ... + 3987579.

It is an arithmetic number, because the mean of its divisors is an integer number (568678968).

Almost surely, 211810808374 is an apocalyptic number.

11810808374 is a deficient number, since it is larger than the sum of its proper divisors (6386918602).

11810808374 is a wasteful number, since it uses less digits than its factorization.

11810808374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 11810808374 in words is "eleven billion, eight hundred ten million, eight hundred eight thousand, three hundred seventy-four".

Divisors: 1 2 67 134 151 197 302 394 2963 5926 10117 13199 20234 26398 29747 59494 198521 397042 447413 583711 894826 1167422 1993049 3986098 29976671 39108637 59953342 78217274 88140361 176280722 5905404187 11810808374