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2660386052 = 228313957649
BaseRepresentation
bin1001111010010010…
…0100010100000100
320212101222121120202
42132210210110010
520422024323202
61115553150032
7122632623362
oct23644442404
96771877522
102660386052
11114579a465
12622b5b318
1333522683c
141b3480632
1510885c802
hex9e924504

2660386052 has 24 divisors (see below), whose sum is σ = 4745748000. Its totient is φ = 1304689536.

The previous prime is 2660386033. The next prime is 2660386063. The reversal of 2660386052 is 2506830662.

It is a super-2 number, since 2×26603860522 = 14155307891352293408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2660385997 and 2660386015.

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, 17324 + ... + 74972.

It is an arithmetic number, because the mean of its divisors is an integer number (197739500).

Almost surely, 22660386052 is an apocalyptic number.

It is an amenable number.

2660386052 is a deficient number, since it is larger than the sum of its proper divisors (2085361948).

2660386052 is a wasteful number, since it uses less digits than its factorization.

2660386052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57875 (or 57873 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2660386052 is about 51578.9303107383. The cubic root of 2660386052 is about 1385.6330091335.

The spelling of 2660386052 in words is "two billion, six hundred sixty million, three hundred eighty-six thousand, fifty-two".

Divisors: 1 2 4 83 139 166 278 332 556 11537 23074 46148 57649 115298 230596 4784867 8013211 9569734 16026422 19139468 32052844 665096513 1330193026 2660386052