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71027451157715 = 51310710212430073
BaseRepresentation
bin10000001001100101011101…
…111111101101110011010011
3100022111011021012020111100122
4100021211131333231303103
533302203204444021330
6411021321031340455
720650364311255613
oct2011453577556323
9308434235214318
1071027451157715
11206a4633551118
127b7171982172b
133082b24296a20
141377a659d0a43
158328c120d5e5
hex40995dfedcd3

71027451157715 has 16 divisors (see below), whose sum is σ = 92647165631328. Its totient is φ = 51960844206336.

The previous prime is 71027451157673. The next prime is 71027451157717. The reversal of 71027451157715 is 51775115472017.

It is not a de Polignac number, because 71027451157715 - 230 = 71026377415891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71027451157717) 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, 5106208082 + ... + 5106221991.

It is an arithmetic number, because the mean of its divisors is an integer number (5790447851958).

Almost surely, 271027451157715 is an apocalyptic number.

71027451157715 is a deficient number, since it is larger than the sum of its proper divisors (21619714473613).

71027451157715 is a wasteful number, since it uses less digits than its factorization.

71027451157715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212430198.

The product of its (nonzero) digits is 2401000, while the sum is 53.

The spelling of 71027451157715 in words is "seventy-one trillion, twenty-seven billion, four hundred fifty-one million, one hundred fifty-seven thousand, seven hundred fifteen".

Divisors: 1 5 13 65 107 535 1391 6955 10212430073 51062150365 132761590949 663807954745 1092730017811 5463650089055 14205490231543 71027451157715