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202103422440 = 23353154328877
BaseRepresentation
bin1011110000111001001…
…1010111110111101000
3201022122221020121122020
42330032103113313220
511302401434004230
6232502305424440
720413211513643
oct2741623276750
9638587217566
10202103422440
1178791127657
123320403b120
131609b037a3a
149ad35bca5a
1553cce65810
hex2f0e4d7de8

202103422440 has 64 divisors (see below), whose sum is σ = 625868674560. Its totient is φ = 52155720960.

The previous prime is 202103422393. The next prime is 202103422453. The reversal of 202103422440 is 44224301202.

It is a super-2 number, since 2×2021034224402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 202103422440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27160719 + ... + 27168158.

It is an arithmetic number, because the mean of its divisors is an integer number (9779198040).

Almost surely, 2202103422440 is an apocalyptic number.

202103422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103422440 is an abundant number, since it is smaller than the sum of its proper divisors (423765252120).

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

202103422440 is a wasteful number, since it uses less digits than its factorization.

202103422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54328922 (or 54328918 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202103422440 its reverse (44224301202), we get a palindrome (246327723642).

The spelling of 202103422440 in words is "two hundred two billion, one hundred three million, four hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 54328877 108657754 162986631 217315508 271644385 325973262 434631016 543288770 651946524 814933155 1086577540 1303893048 1629866310 1684195187 2173155080 3259732620 3368390374 5052585561 6519465240 6736780748 8420975935 10105171122 13473561496 16841951870 20210342244 25262927805 33683903740 40420684488 50525855610 67367807480 101051711220 202103422440