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10501202540 = 225977697039
BaseRepresentation
bin10011100011110101…
…11010001001101100
31000002211212100202102
421301322322021230
5133001301440130
64454005114232
7521141514563
oct116172721154
930084770672
1010501202540
1144a9722994
1220509b8978
13cb47a3a1a
1471894cbda
15416db2645
hex271eba26c

10501202540 has 48 divisors (see below), whose sum is σ = 22312012800. Its totient is φ = 4151181312.

The previous prime is 10501202507. The next prime is 10501202561. The reversal of 10501202540 is 4520210501.

It is a super-2 number, since 2×105012025402 (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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488341 + ... + 1495379.

It is an arithmetic number, because the mean of its divisors is an integer number (464833600).

Almost surely, 210501202540 is an apocalyptic number.

10501202540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10501202540 is an abundant number, since it is smaller than the sum of its proper divisors (11810810260).

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

10501202540 is a wasteful number, since it uses less digits than its factorization.

10501202540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914 (or 7912 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 10501202540 in words is "ten billion, five hundred one million, two hundred two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 769 970 1538 1940 3076 3845 7039 7690 14078 15380 28156 35195 70390 74593 140780 149186 298372 372965 682783 745930 1365566 1491860 2731132 3413915 5412991 6827830 10825982 13655660 21651964 27064955 54129910 108259820 525060127 1050120254 2100240508 2625300635 5250601270 10501202540