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11912256970190 = 256611802156879
BaseRepresentation
bin1010110101011000100111…
…0110000101110111001110
31120011210121200002100201122
42231112021312011313032
53030132300241021230
641200225412240542
72336426555402663
oct255261166056716
946153550070648
1011912256970190
113882a61564935
121404812910152
13685423357b35
142d27b074ba6a
15159ce9cb5be5
hexad589d85dce

11912256970190 has 16 divisors (see below), whose sum is σ = 21474501382080. Its totient is φ = 4757694157920.

The previous prime is 11912256970181. The next prime is 11912256970217. The reversal of 11912256970190 is 9107965221911.

It is a happy number.

It is a super-2 number, since 2×119122569701902 (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 901071830 + ... + 901085049.

It is an arithmetic number, because the mean of its divisors is an integer number (1342156336380).

Almost surely, 211912256970190 is an apocalyptic number.

11912256970190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11912256970190 is a deficient number, since it is larger than the sum of its proper divisors (9562244411890).

11912256970190 is a wasteful number, since it uses less digits than its factorization.

11912256970190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802157547.

The product of its (nonzero) digits is 612360, while the sum is 53.

The spelling of 11912256970190 in words is "eleven trillion, nine hundred twelve billion, two hundred fifty-six million, nine hundred seventy thousand, one hundred ninety".

Divisors: 1 2 5 10 661 1322 3305 6610 1802156879 3604313758 9010784395 18021568790 1191225697019 2382451394038 5956128485095 11912256970190