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11970647957437 = 1319731275227501
BaseRepresentation
bin1010111000110010001000…
…1110000001111110111101
31120101101100001000211220221
42232030202032001332331
53032111341334114222
641243123441541341
72343564546532261
oct256144216017675
946341301024827
1011970647957437
1138a57a5774894
121413ba9944851
1368aa9a644b70
142d554d6420a1
1515b5b61390c7
hexae322381fbd

11970647957437 has 32 divisors (see below), whose sum is σ = 13864171704320. Its totient is φ = 10243558080000.

The previous prime is 11970647957431. The next prime is 11970647957459. The reversal of 11970647957437 is 73475974607911.

It is a cyclic number.

It is not a de Polignac number, because 11970647957437 - 231 = 11968500473789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11970647957431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323814 + ... + 4903687.

It is an arithmetic number, because the mean of its divisors is an integer number (433255365760).

Almost surely, 211970647957437 is an apocalyptic number.

It is an amenable number.

11970647957437 is a deficient number, since it is larger than the sum of its proper divisors (1893523746883).

11970647957437 is a wasteful number, since it uses less digits than its factorization.

11970647957437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227733.

The product of its (nonzero) digits is 280052640, while the sum is 70.

The spelling of 11970647957437 in words is "eleven trillion, nine hundred seventy billion, six hundred forty-seven million, nine hundred fifty-seven thousand, four hundred thirty-seven".

Divisors: 1 13 19 73 127 247 949 1387 1651 2413 9271 18031 31369 120523 176149 2289937 5227501 67957513 99322519 381607573 663892627 1291192747 4960898449 7250543887 8630604151 12613959913 48464161771 94257070531 163981478869 630034103023 920819073649 11970647957437