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202142101302 = 23214995379087
BaseRepresentation
bin1011110001000010011…
…0111010111100110110
3201022202122000201001200
42330100212322330312
511302441334220202
6232510210433330
720414161340211
oct2742046727466
9638678021050
10202142101302
1178800a45659
1233214b92846
13160a605b13b
149ad87aa778
1553d1555e1c
hex2f109baf36

202142101302 has 48 divisors (see below), whose sum is σ = 441382219200. Its totient is φ = 66857406336.

The previous prime is 202142101247. The next prime is 202142101307. The reversal of 202142101302 is 203101241202.

It is a happy number.

It is a super-2 number, since 2×2021421013022 (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202142101307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2516403 + ... + 2595489.

It is an arithmetic number, because the mean of its divisors is an integer number (9195462900).

Almost surely, 2202142101302 is an apocalyptic number.

202142101302 is an abundant number, since it is smaller than the sum of its proper divisors (239240117898).

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

202142101302 is a wasteful number, since it uses less digits than its factorization.

202142101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80197 (or 80194 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202142101302 its reverse (203101241202), we get a palindrome (405243342504).

The spelling of 202142101302 in words is "two hundred two billion, one hundred forty-two million, one hundred one thousand, three hundred two".

Divisors: 1 2 3 6 9 18 149 298 447 894 953 1341 1906 2682 2859 5718 8577 17154 79087 141997 158174 237261 283994 425991 474522 711783 851982 1277973 1423566 2555946 11783963 23567926 35351889 70703778 75369911 106055667 150739822 212111334 226109733 452219466 678329199 1356658398 11230116739 22460233478 33690350217 67380700434 101071050651 202142101302