Search a number
-
+
310069925421 = 3192355780491
BaseRepresentation
bin1001000001100011001…
…10111001011000101101
31002122100022021020111220
410200301212321120231
520040010400103141
6354235534333553
731254551610444
oct4406146713055
91078308236456
10310069925421
1110a555431313
125011595a2b9
132331615c969
14110166a7d5b
1580eb780766
hex48319b962d

310069925421 has 24 divisors (see below), whose sum is σ = 436459176864. Its totient is φ = 195776148960.

The previous prime is 310069925411. The next prime is 310069925447. The reversal of 310069925421 is 124529960013.

It is not a de Polignac number, because 310069925421 - 26 = 310069925357 is a prime.

It is a super-2 number, since 2×3100699254212 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310069925411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3811986 + ... + 3892476.

It is an arithmetic number, because the mean of its divisors is an integer number (18185799036).

Almost surely, 2310069925421 is an apocalyptic number.

It is an amenable number.

310069925421 is a deficient number, since it is larger than the sum of its proper divisors (126389251443).

310069925421 is a wasteful number, since it uses less digits than its factorization.

310069925421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84089 (or 84070 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 310069925421 in words is "three hundred ten billion, sixty-nine million, nine hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 3 19 57 361 1083 3557 10671 67583 80491 202749 241473 1284077 1529329 3852231 4587987 29057251 87171753 286306487 858919461 5439823253 16319469759 103356641807 310069925421