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22750008100 = 22522276471549
BaseRepresentation
bin10101001100000000…
…011001001100100100
32011201111011011011121
4111030000121030210
5333043000224400
614241243343324
71433523610141
oct251400311444
964644134147
1022750008100
119714871896
1244aab21b44
1321b7350371
14115b6153c8
158d23cd21a
hex54c019324

22750008100 has 72 divisors (see below), whose sum is σ = 49693694400. Its totient is φ = 9040072320.

The previous prime is 22750008067. The next prime is 22750008109. The reversal of 22750008100 is 180005722.

It is a super-2 number, since 2×227500081002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22750008109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14686126 + ... + 14687674.

It is an arithmetic number, because the mean of its divisors is an integer number (690190200).

Almost surely, 222750008100 is an apocalyptic number.

22750008100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22750008100 is an abundant number, since it is smaller than the sum of its proper divisors (26943686300).

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

22750008100 is a wasteful number, since it uses less digits than its factorization.

22750008100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The spelling of 22750008100 in words is "twenty-two billion, seven hundred fifty million, eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 227 454 647 908 1135 1294 1549 2270 2588 3098 3235 4540 5675 6196 6470 7745 11350 12940 15490 16175 22700 30980 32350 38725 64700 77450 146869 154900 293738 351623 587476 703246 734345 1002203 1406492 1468690 1758115 2004406 2937380 3516230 3671725 4008812 5011015 7032460 7343450 8790575 10022030 14686900 17581150 20044060 25055075 35162300 50110150 100220300 227500081 455000162 910000324 1137500405 2275000810 4550001620 5687502025 11375004050 22750008100