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92110021021 = 139571659951
BaseRepresentation
bin101010111001000101…
…1110110000110011101
322210202022020212211001
41111302023312012131
53002120131133041
6110151553230301
76440400155224
oct1256213660635
9283668225731
1092110021021
1136077784117
1215a27562391
1388bc00b425
14465b235cbb
1525e1723131
hex15722f619d

92110021021 has 4 divisors (see below), whose sum is σ = 92110820544. Its totient is φ = 92109221500.

The previous prime is 92110021013. The next prime is 92110021033. The reversal of 92110021021 is 12012001129.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 92110021021 - 23 = 92110021013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92110021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92110021721) 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, 190405 + ... + 469546.

It is an arithmetic number, because the mean of its divisors is an integer number (23027705136).

Almost surely, 292110021021 is an apocalyptic number.

It is an amenable number.

92110021021 is a deficient number, since it is larger than the sum of its proper divisors (799523).

92110021021 is a wasteful number, since it uses less digits than its factorization.

92110021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799522.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 92110021021 in words is "ninety-two billion, one hundred ten million, twenty-one thousand, twenty-one".

Divisors: 1 139571 659951 92110021021