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1930923709856 = 251237169328813
BaseRepresentation
bin11100000110010100000…
…001011001010110100000
320211121001101121201210122
4130012110001121112200
5223114012432203411
64035015404215412
7256335042504041
oct34062401312640
96747041551718
101930923709856
1168499a105699
1227228653a568
131101155c52cb
14696588068c8
1535363a2d9db
hex1c1940595a0

1930923709856 has 48 divisors (see below), whose sum is σ = 3806958582504. Its totient is φ = 964078101504.

The previous prime is 1930923709843. The next prime is 1930923709909. The reversal of 1930923709856 is 6589073290391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1477343011600 + 453580698256 = 1215460^2 + 673484^2 .

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, 67001306 + ... + 67030118.

Almost surely, 21930923709856 is an apocalyptic number.

1930923709856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1930923709856 is a deficient number, since it is larger than the sum of its proper divisors (1876034872648).

1930923709856 is a wasteful number, since it uses less digits than its factorization.

1930923709856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31753 (or 31745 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 1930923709856 in words is "one trillion, nine hundred thirty billion, nine hundred twenty-three million, seven hundred nine thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 32 1237 1693 2474 3386 4948 6772 9896 13544 19792 27088 28813 39584 54176 57626 115252 230504 461008 922016 2094241 4188482 8376964 16753928 33507856 35641681 48780409 67015712 71283362 97560818 142566724 195121636 285133448 390243272 570266896 780486544 1140533792 1560973088 60341365933 120682731866 241365463732 482730927464 965461854928 1930923709856