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151421120652 = 22312618426721
BaseRepresentation
bin1000110100000101100…
…1101111000010001100
3112110211210112220220210
42031001121233002030
54440102301330102
6153321212042420
713640233201104
oct2150131570214
9473753486823
10151421120652
115924330312a
122541a763410
1311381b14459
147486400204
153e1374736c
hex234166f08c

151421120652 has 12 divisors (see below), whose sum is σ = 353315948216. Its totient is φ = 50473706880.

The previous prime is 151421120651. The next prime is 151421120663. The reversal of 151421120652 is 256021124151.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (151421120651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6309213349 + ... + 6309213372.

Almost surely, 2151421120652 is an apocalyptic number.

151421120652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151421120652 is an abundant number, since it is smaller than the sum of its proper divisors (201894827564).

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

151421120652 is a wasteful number, since it uses less digits than its factorization.

151421120652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618426728 (or 12618426726 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 151421120652 in words is "one hundred fifty-one billion, four hundred twenty-one million, one hundred twenty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 12618426721 25236853442 37855280163 50473706884 75710560326 151421120652