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10105245520 = 245671885307
BaseRepresentation
bin10010110100101000…
…11100111101010000
3222002020210122211121
421122110130331100
5131143420324040
64350422252024
7505263112126
oct113224347520
928066718747
1010105245520
114316169587
121b60287014
13c50749726
146bc11b916
153e224bc4a
hex25a51cf50

10105245520 has 40 divisors (see below), whose sum is σ = 23845375584. Its totient is φ = 3981766272.

The previous prime is 10105245517. The next prime is 10105245571. The reversal of 10105245520 is 2554250101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937294 + ... + 948013.

Almost surely, 210105245520 is an apocalyptic number.

10105245520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10105245520 is an abundant number, since it is smaller than the sum of its proper divisors (13740130064).

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

10105245520 is a wasteful number, since it uses less digits than its factorization.

10105245520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885387 (or 1885381 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 10105245520 its reverse (2554250101), we get a palindrome (12659495621).

The spelling of 10105245520 in words is "ten billion, one hundred five million, two hundred forty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 1885307 3770614 7541228 9426535 15082456 18853070 30164912 37706140 75412280 126315569 150824560 252631138 505262276 631577845 1010524552 1263155690 2021049104 2526311380 5052622760 10105245520