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51061463605401 = 331593925881949
BaseRepresentation
bin10111001110000101011000…
…11001100110000010011001
320200210102120012012100112120
423213002230121212002121
523143042334140333101
6300333151302131453
713520032445252034
oct1347025431460231
9220712505170476
1051061463605401
11152a7055043487
125888078a20b89
1322650c97374a2
14c87560a5201b
155d835c384b36
hex2e70ac666099

51061463605401 has 16 divisors (see below), whose sum is σ = 70396656422400. Its totient is φ = 32887326792960.

The previous prime is 51061463605379. The next prime is 51061463605409. The reversal of 51061463605401 is 10450636416015.

It is not a de Polignac number, because 51061463605401 - 29 = 51061463604889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51061463605409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462885826 + ... + 462996123.

It is an arithmetic number, because the mean of its divisors is an integer number (4399791026400).

Almost surely, 251061463605401 is an apocalyptic number.

It is an amenable number.

51061463605401 is a deficient number, since it is larger than the sum of its proper divisors (19335192816999).

51061463605401 is a wasteful number, since it uses less digits than its factorization.

51061463605401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925882576.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 51061463605401 in words is "fifty-one trillion, sixty-one billion, four hundred sixty-three million, six hundred five thousand, four hundred one".

Divisors: 1 3 31 93 593 1779 18383 55149 925881949 2777645847 28702340419 86107021257 549047995757 1647143987271 17020487868467 51061463605401