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10203513140 = 2252714194493
BaseRepresentation
bin10011000000010110…
…10100000100110100
3222100002201011200002
421200023110010310
5131344044410030
64404252410432
7510565300502
oct114013240464
928302634602
1010203513140
114366687497
121b89176a18
13c67c04852
146cb1bb672
153eabad245
hex2602d4134

10203513140 has 48 divisors (see below), whose sum is σ = 21562571520. Its totient is φ = 4055736960.

The previous prime is 10203513107. The next prime is 10203513157. The reversal of 10203513140 is 4131530201.

It is a super-2 number, since 2×102035131402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 2268734 + ... + 2273226.

It is an arithmetic number, because the mean of its divisors is an integer number (449220240).

Almost surely, 210203513140 is an apocalyptic number.

10203513140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203513140 is an abundant number, since it is smaller than the sum of its proper divisors (11359058380).

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

10203513140 is a wasteful number, since it uses less digits than its factorization.

10203513140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192 (or 5190 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 10203513140 in words is "ten billion, two hundred three million, five hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 271 419 542 838 1084 1355 1676 2095 2710 4190 4493 5420 8380 8986 17972 22465 44930 89860 113549 227098 454196 567745 1135490 1217603 1882567 2270980 2435206 3765134 4870412 6088015 7530268 9412835 12176030 18825670 24352060 37651340 510175657 1020351314 2040702628 2550878285 5101756570 10203513140