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12355507954 = 2232391123841
BaseRepresentation
bin10111000000111001…
…00001011011110010
31011220002001211120201
423200130201123302
5200301002223304
65402005225414
7615116041036
oct134034413362
934802054521
1012355507954
1152703a8aa9
122489a0226a
13121b9c8a6a
14852d201c6
154c4a963a4
hex2e07216f2

12355507954 has 16 divisors (see below), whose sum is σ = 19419989760. Its totient is φ = 5884426240.

The previous prime is 12355507921. The next prime is 12355507981. The reversal of 12355507954 is 45970555321.

It is a super-2 number, since 2×123555079542 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 550927 + ... + 572914.

It is an arithmetic number, because the mean of its divisors is an integer number (1213749360).

Almost surely, 212355507954 is an apocalyptic number.

12355507954 is a deficient number, since it is larger than the sum of its proper divisors (7064481806).

12355507954 is a wasteful number, since it uses less digits than its factorization.

12355507954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124105.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 12355507954 in words is "twelve billion, three hundred fifty-five million, five hundred seven thousand, nine hundred fifty-four".

Divisors: 1 2 23 46 239 478 5497 10994 1123841 2247682 25848343 51696686 268597999 537195998 6177753977 12355507954