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26148696972 = 2234435578831
BaseRepresentation
bin11000010110100101…
…010111001110001100
32111111100101102211020
4120112211113032030
5412023031300342
620002413154140
71613663154066
oct302645271614
974440342736
1026148696972
11100a9292072
12509918b950
132609507478
1413a0b60736
15a309770ec
hex61695738c

26148696972 has 48 divisors (see below), whose sum is σ = 61268078592. Its totient is φ = 8679960640.

The previous prime is 26148696961. The next prime is 26148696979. The reversal of 26148696972 is 27969684162.

It is not an unprimeable number, because it can be changed into a prime (26148696979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956597 + ... + 2965427.

It is an arithmetic number, because the mean of its divisors is an integer number (1276418304).

Almost surely, 226148696972 is an apocalyptic number.

It is an amenable number.

26148696972 is an abundant number, since it is smaller than the sum of its proper divisors (35119381620).

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

26148696972 is a wasteful number, since it uses less digits than its factorization.

26148696972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9838 (or 9836 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 26148696972 in words is "twenty-six billion, one hundred forty-eight million, six hundred ninety-six thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 443 557 886 1114 1329 1671 1772 2228 2658 3342 5316 6684 8831 17662 26493 35324 52986 105972 246751 493502 740253 987004 1480506 2961012 3912133 4918867 7824266 9837734 11736399 14756601 15648532 19675468 23472798 29513202 46945596 59026404 2179058081 4358116162 6537174243 8716232324 13074348486 26148696972