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61285005716 = 22112775028307
BaseRepresentation
bin111001000100110111…
…101111100110010100
312212012001112212012112
4321010313233212110
52001002430140331
644053130210152
74266461645024
oct710467574624
9185161485175
1061285005716
1123a99873960
12ba64283958
135a18a452bc
142d753cda84
1518da48032b
hexe44def994

61285005716 has 24 divisors (see below), whose sum is σ = 117421048416. Its totient is φ = 27756249120.

The previous prime is 61285005703. The next prime is 61285005737. The reversal of 61285005716 is 61750058216.

It is a super-2 number, since 2×612850057162 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 2501966 + ... + 2526341.

It is an arithmetic number, because the mean of its divisors is an integer number (4892543684).

Almost surely, 261285005716 is an apocalyptic number.

It is an amenable number.

61285005716 is a deficient number, since it is larger than the sum of its proper divisors (56136042700).

61285005716 is a wasteful number, since it uses less digits than its factorization.

61285005716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028599 (or 5028597 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 61285005716 in words is "sixty-one billion, two hundred eighty-five million, five thousand, seven hundred sixteen".

Divisors: 1 2 4 11 22 44 277 554 1108 3047 6094 12188 5028307 10056614 20113228 55311377 110622754 221245508 1392841039 2785682078 5571364156 15321251429 30642502858 61285005716