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920925834213 = 37113986691923
BaseRepresentation
bin11010110011010110111…
…01010000101111100101
310021001001220102121021010
431121223131100233211
5110042024003143323
61543022324412433
7123351254301360
oct15315335205745
93231056377233
10920925834213
11325620696860
1212a594247119
1368ac5c04228
14328046310d7
1518e4e6c8c93
hexd66b750be5

920925834213 has 16 divisors (see below), whose sum is σ = 1530889698816. Its totient is φ = 478403030640.

The previous prime is 920925834211. The next prime is 920925834247. The reversal of 920925834213 is 312438529029.

It is not a de Polignac number, because 920925834213 - 21 = 920925834211 is a prime.

It is a super-2 number, since 2×9209258342132 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920925834211) 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 15 ways as a sum of consecutive naturals, for example, 1993345731 + ... + 1993346192.

It is an arithmetic number, because the mean of its divisors is an integer number (95680606176).

Almost surely, 2920925834213 is an apocalyptic number.

It is an amenable number.

920925834213 is a deficient number, since it is larger than the sum of its proper divisors (609963864603).

920925834213 is a wasteful number, since it uses less digits than its factorization.

920925834213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986691944.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 920925834213 in words is "nine hundred twenty billion, nine hundred twenty-five million, eight hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 3 7 11 21 33 77 231 3986691923 11960075769 27906843461 43853611153 83720530383 131560833459 306975278071 920925834213