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10200104000 = 26538211553
BaseRepresentation
bin10010111111111100…
…10011110001000000
3222022212021222012122
421133332103301000
5131342211312000
64404051343412
7510524311352
oct113776236100
928285258178
1010200104000
114364769119
121b87bb1b68
13c672acbc8
146ca9710d2
153ea738085
hex25ff93c40

10200104000 has 112 divisors (see below), whose sum is σ = 25307611056. Its totient is φ = 4072448000.

The previous prime is 10200103999. The next prime is 10200104011. The reversal of 10200104000 is 40100201.

It can be written as a sum of positive squares in 8 ways, for example, as 6785805376 + 3414298624 = 82376^2 + 58432^2 .

It is a super-2 number, since 2×102001040002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567224 + ... + 6568776.

It is an arithmetic number, because the mean of its divisors is an integer number (225960813).

Almost surely, 210200104000 is an apocalyptic number.

10200104000 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 10200104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12653805528).

10200104000 is an abundant number, since it is smaller than the sum of its proper divisors (15107507056).

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

10200104000 is an equidigital number, since it uses as much as digits as its factorization.

10200104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2381 counting only the distinct ones).

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

Adding to 10200104000 its reverse (40100201), we get a palindrome (10240204201).

The spelling of 10200104000 in words is "ten billion, two hundred million, one hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 821 1000 1553 1600 1642 2000 3106 3284 4000 4105 6212 6568 7765 8000 8210 12424 13136 15530 16420 20525 24848 26272 31060 32840 38825 41050 49696 52544 62120 65680 77650 82100 99392 102625 124240 131360 155300 164200 194125 205250 248480 262720 310600 328400 388250 410500 496960 621200 656800 776500 821000 1242400 1275013 1313600 1553000 1642000 2484800 2550026 3106000 3284000 5100052 6212000 6375065 6568000 10200104 12424000 12750130 20400208 25500260 31875325 40800416 51000520 63750650 81600832 102001040 127501300 159376625 204002080 255002600 318753250 408004160 510005200 637506500 1020010400 1275013000 2040020800 2550026000 5100052000 10200104000