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71002202111010 = 23256119370199547
BaseRepresentation
bin10000001001001101111101…
…000010001111110000100010
3100022101202002112201000200200
4100021031331002033300202
533301300002220023020
6411001543352530030
720645511521022552
oct2011157502176042
9308352075630620
1071002202111010
1120694957082675
127b688519b0916
13308062c2929c1
14137674c539162
15831de4744590
hex40937d08fc22

71002202111010 has 192 divisors, whose sum is σ = 188650864321920. Its totient is φ = 18522453565440.

The previous prime is 71002202110933. The next prime is 71002202111083. The reversal of 71002202111010 is 1011120220017.

It is a super-2 number, since 2×710022021110102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7437117057 + ... + 7437126603.

It is an arithmetic number, because the mean of its divisors is an integer number (982556585010).

Almost surely, 271002202111010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71002202111010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94325432160960).

71002202111010 is an abundant number, since it is smaller than the sum of its proper divisors (117648662210910).

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

71002202111010 is a wasteful number, since it uses less digits than its factorization.

71002202111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16833 (or 16830 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 71002202111010 its reverse (1011120220017), we get a palindrome (72013322331027).

The spelling of 71002202111010 in words is "seventy-one trillion, two billion, two hundred two million, one hundred eleven thousand, ten".