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1475212131953 = 71923541988993
BaseRepresentation
bin10101011101111001011…
…111101011111001110001
312020000210001212222020122
4111131321133223321301
5143132213301210303
63045411511420025
7211403063140460
oct25357137537161
95200701788218
101475212131953
115196a787622a
121b9aa5684615
13a915bb24471
14515875429d7
152859112ae38
hex157797ebe71

1475212131953 has 32 divisors (see below), whose sum is σ = 1852214323200. Its totient is φ = 1145608966656.

The previous prime is 1475212131941. The next prime is 1475212131971. The reversal of 1475212131953 is 3591312125741.

It is a happy number.

It is not a de Polignac number, because 1475212131953 - 26 = 1475212131889 is a prime.

It is a super-2 number, since 2×14752121319532 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1475212131923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16532225 + ... + 16621217.

It is an arithmetic number, because the mean of its divisors is an integer number (57881697600).

Almost surely, 21475212131953 is an apocalyptic number.

It is an amenable number.

1475212131953 is a deficient number, since it is larger than the sum of its proper divisors (377002191247).

1475212131953 is a wasteful number, since it uses less digits than its factorization.

1475212131953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94461.

The product of its digits is 226800, while the sum is 44.

The spelling of 1475212131953 in words is "one trillion, four hundred seventy-five billion, two hundred twelve million, one hundred thirty-one thousand, nine hundred fifty-three".

Divisors: 1 7 19 23 133 161 437 3059 5419 37933 88993 102961 124637 622951 720727 872459 1690867 2046839 2368103 11836069 14327873 16576721 38889941 272229587 482253067 3375771469 9162808273 11091820541 64139657911 77642743787 210744590279 1475212131953