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10102003100 = 22527103140111
BaseRepresentation
bin10010110100010000…
…00101010110011100
3222002000200221001222
421122020011112130
5131142103044400
64350224552512
7505223416040
oct113210052634
928060627058
1010102003100
1143143544a2
121b5b182738
13c4cb82937
146bb916020
153e1d0b185
hex25a20559c

10102003100 has 72 divisors (see below), whose sum is σ = 25296380928. Its totient is φ = 3429892800.

The previous prime is 10102003097. The next prime is 10102003127. The reversal of 10102003100 is 130020101.

It is a super-2 number, since 2×101020031002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2045 + ... + 142155.

It is an arithmetic number, because the mean of its divisors is an integer number (351338624).

Almost surely, 210102003100 is an apocalyptic number.

10102003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12648190464).

10102003100 is an abundant number, since it is smaller than the sum of its proper divisors (15194377828).

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

10102003100 is a wasteful number, since it uses less digits than its factorization.

10102003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140235 (or 140228 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10102003100 its reverse (130020101), we get a palindrome (10232023201).

The spelling of 10102003100 in words is "ten billion, one hundred two million, three thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 103 140 175 206 350 412 515 700 721 1030 1442 2060 2575 2884 3605 5150 7210 10300 14420 18025 36050 72100 140111 280222 560444 700555 980777 1401110 1961554 2802220 3502775 3923108 4903885 7005550 9807770 14011100 14431433 19615540 24519425 28862866 49038850 57725732 72157165 98077700 101020031 144314330 202040062 288628660 360785825 404080124 505100155 721571650 1010200310 1443143300 2020400620 2525500775 5051001550 10102003100