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10111102240 = 255173717317
BaseRepresentation
bin10010110101010101…
…10010110100100000
3222002122211012202011
421122222302310200
5131201420232430
64351152002304
7505363644121
oct113252626440
928078735664
1010111102240
1143194a9848
121b62230394
13c51a1a445
146bcc04048
153e2a0722a
hex25aab2d20

10111102240 has 48 divisors (see below), whose sum is σ = 25292631672. Its totient is φ = 3806531584.

The previous prime is 10111102231. The next prime is 10111102307. The reversal of 10111102240 is 4220111101.

It can be written as a sum of positive squares in 4 ways, for example, as 9954451984 + 156650256 = 99772^2 + 12516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10111102240.

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, 1855939 + ... + 1861378.

Almost surely, 210111102240 is an apocalyptic number.

10111102240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111102240 is an abundant number, since it is smaller than the sum of its proper divisors (15181529432).

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

10111102240 is a wasteful number, since it uses less digits than its factorization.

10111102240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717349 (or 3717341 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10111102240 its reverse (4220111101), we get a palindrome (14331213341).

The spelling of 10111102240 in words is "ten billion, one hundred eleven million, one hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 3717317 7434634 14869268 18586585 29738536 37173170 59477072 63194389 74346340 118954144 126388778 148692680 252777556 297385360 315971945 505555112 594770720 631943890 1011110224 1263887780 2022220448 2527775560 5055551120 10111102240