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2961320164 = 2211194775367
BaseRepresentation
bin1011000010000010…
…0010100011100100
321122101020122120121
42300200202203210
522031044221124
61205503211324
7133245543325
oct26040424344
97571218517
102961320164
11128a651740
126a78a6b44
1338269086a
1420141844c
15124ea32e4
hexb08228e4

2961320164 has 48 divisors (see below), whose sum is σ = 6077675520. Its totient is φ = 1248060960.

The previous prime is 2961320147. The next prime is 2961320189. The reversal of 2961320164 is 4610231692.

It is a happy number.

It is a super-2 number, since 2×29613201642 = 17538834227425973792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609 + ... + 76975.

It is an arithmetic number, because the mean of its divisors is an integer number (126618240).

Almost surely, 22961320164 is an apocalyptic number.

It is an amenable number.

2961320164 is an abundant number, since it is smaller than the sum of its proper divisors (3116355356).

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

2961320164 is a wasteful number, since it uses less digits than its factorization.

2961320164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75448 (or 75446 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2961320164 is about 54418.0132309146. The cubic root of 2961320164 is about 1436.0242965502.

The spelling of 2961320164 in words is "two billion, nine hundred sixty-one million, three hundred twenty thousand, one hundred sixty-four".

Divisors: 1 2 4 11 19 22 38 44 47 76 94 188 209 418 517 836 893 1034 1786 2068 3572 9823 19646 39292 75367 150734 301468 829037 1431973 1658074 2863946 3316148 3542249 5727892 7084498 14168996 15751703 31503406 38964739 63006812 67302731 77929478 134605462 155858956 269210924 740330041 1480660082 2961320164