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131200322432 = 271953947501
BaseRepresentation
bin111101000110000100…
…1100000101110000000
3110112122120112221110012
41322030021200232000
54122144240304212
6140134514124052
712323160224444
oct1721411405600
9415576487405
10131200322432
1150707186143
1221516880628
13c4ab77c9aa
1464c8a80824
15362d414922
hex1e8c260b80

131200322432 has 32 divisors (see below), whose sum is σ = 275132260200. Its totient is φ = 62147520000.

The previous prime is 131200322411. The next prime is 131200322467. The reversal of 131200322432 is 234223002131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 131200322398 and 131200322407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26971319 + ... + 26976182.

Almost surely, 2131200322432 is an apocalyptic number.

It is an amenable number.

131200322432 is an abundant number, since it is smaller than the sum of its proper divisors (143931937768).

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

131200322432 is an equidigital number, since it uses as much as digits as its factorization.

131200322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53947534 (or 53947522 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131200322432 its reverse (234223002131), we get a palindrome (365423324563).

The spelling of 131200322432 in words is "one hundred thirty-one billion, two hundred million, three hundred twenty-two thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 53947501 107895002 215790004 431580008 863160016 1025002519 1726320032 2050005038 3452640064 4100010076 6905280128 8200020152 16400040304 32800080608 65600161216 131200322432