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101100020202 = 2325616667789
BaseRepresentation
bin101111000101000000…
…1111110000111101010
3100122221211112011021200
41132022001332013222
53124023101121302
6114240020145030
710206231664326
oct1361201760752
9318854464250
10101100020202
1139970364605
1217716238176
1396c269967c
144c711a6986
15296aac681c
hex178a07e1ea

101100020202 has 12 divisors (see below), whose sum is σ = 219050043810. Its totient is φ = 33700006728.

The previous prime is 101100020089. The next prime is 101100020207. The reversal of 101100020202 is 202020001101.

It can be written as a sum of positive squares in only one way, i.e., 99995720841 + 1104299361 = 316221^2 + 33231^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101100020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808333877 + ... + 2808333912.

Almost surely, 2101100020202 is an apocalyptic number.

101100020202 is an abundant number, since it is smaller than the sum of its proper divisors (117950023608).

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

101100020202 is a wasteful number, since it uses less digits than its factorization.

101100020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616667797 (or 5616667794 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101100020202 its reverse (202020001101), we get a palindrome (303120021303).

The spelling of 101100020202 in words is "one hundred one billion, one hundred million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 5616667789 11233335578 16850003367 33700006734 50550010101 101100020202