Search a number
-
+
616431024620 = 22530821551231
BaseRepresentation
bin10001111100001100010…
…01101111100111101100
32011221010010201120220122
420332012021233213230
540044422320241440
61151103504104112
762351510153615
oct10760611574754
92157103646818
10616431024620
11218477274594
129b575605038
134618aac8498
1421b9a574c0c
151107c6047b5
hex8f8626f9ec

616431024620 has 12 divisors (see below), whose sum is σ = 1294505151744. Its totient is φ = 246572409840.

The previous prime is 616431024611. The next prime is 616431024637. The reversal of 616431024620 is 26420134616.

It is a super-2 number, since 2×6164310246202 (a number of 24 digits) contains 22 as substring.

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, 15410775596 + ... + 15410775635.

It is an arithmetic number, because the mean of its divisors is an integer number (107875429312).

Almost surely, 2616431024620 is an apocalyptic number.

It is an amenable number.

616431024620 is an abundant number, since it is smaller than the sum of its proper divisors (678074127124).

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

616431024620 is a wasteful number, since it uses less digits than its factorization.

616431024620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30821551240 (or 30821551238 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 616431024620 in words is "six hundred sixteen billion, four hundred thirty-one million, twenty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 30821551231 61643102462 123286204924 154107756155 308215512310 616431024620