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310161640940 = 22515508082047
BaseRepresentation
bin1001000001101110001…
…00110000110111101100
31002122120200211212112222
410200313010300313230
520040202340002230
6354253012214512
731260044306564
oct4406704606754
91078520755488
10310161640940
1110a5a2184568
125014060a438
132332c1626b8
141102493dda4
15810484a6e5
hex4837130dec

310161640940 has 12 divisors (see below), whose sum is σ = 651339446016. Its totient is φ = 124064656368.

The previous prime is 310161640937. The next prime is 310161640969. The reversal of 310161640940 is 49046161013.

It is a self number, because there is not a number n which added to its sum of digits gives 310161640940.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7754041004 + ... + 7754041043.

It is an arithmetic number, because the mean of its divisors is an integer number (54278287168).

Almost surely, 2310161640940 is an apocalyptic number.

It is an amenable number.

310161640940 is an abundant number, since it is smaller than the sum of its proper divisors (341177805076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310161640940 is a wasteful number, since it uses less digits than its factorization.

310161640940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15508082056 (or 15508082054 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 310161640940 in words is "three hundred ten billion, one hundred sixty-one million, six hundred forty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 15508082047 31016164094 62032328188 77540410235 155080820470 310161640940