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10105501208 = 2311434756821
BaseRepresentation
bin10010110100101010…
…11011011000011000
3222002021021122120112
421122111123120120
5131144002014313
64350431543452
7505265225435
oct113225333030
928067248515
1010105501208
1143163236a0
121b6038ab88
13c50808c1a
146bc186b8c
153e229c8a8
hex25a55b618

10105501208 has 64 divisors (see below), whose sum is σ = 21601451520. Its totient is φ = 4391049600.

The previous prime is 10105501207. The next prime is 10105501249. The reversal of 10105501208 is 80210550101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105501201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149438 + ... + 206258.

It is an arithmetic number, because the mean of its divisors is an integer number (337522680).

Almost surely, 210105501208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10105501208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10800725760).

10105501208 is an abundant number, since it is smaller than the sum of its proper divisors (11495950312).

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

10105501208 is a wasteful number, since it uses less digits than its factorization.

10105501208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56928 (or 56924 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 10105501208 in words is "ten billion, one hundred five million, five hundred one thousand, two hundred eight".

Divisors: 1 2 4 8 11 22 43 44 47 86 88 94 172 188 344 376 473 517 946 1034 1892 2021 2068 3784 4042 4136 8084 16168 22231 44462 56821 88924 113642 177848 227284 454568 625031 1250062 2443303 2500124 2670587 4886606 5000248 5341174 9773212 10682348 19546424 21364696 26876333 29376457 53752666 58752914 107505332 114835241 117505828 215010664 229670482 235011656 459340964 918681928 1263187651 2526375302 5052750604 10105501208