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10200424440 = 2335418324979
BaseRepresentation
bin10010111111111111…
…00001111111111000
3222022212220020202210
421133333201333320
5131342302040230
64404102255120
7510530114523
oct113777417770
928285806683
1010200424440
114364967948
121b881274a0
13c67392a0b
146caa15bba
153ea79ceb0
hex25ffe1ff8

10200424440 has 128 divisors (see below), whose sum is σ = 31726598400. Its totient is φ = 2621690880.

The previous prime is 10200424411. The next prime is 10200424477. The reversal of 10200424440 is 4442400201.

It is a super-2 number, since 2×102004244402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395871 + ... + 420849.

It is an arithmetic number, because the mean of its divisors is an integer number (247864050).

Almost surely, 210200424440 is an apocalyptic number.

10200424440 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 10200424440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863299200).

10200424440 is an abundant number, since it is smaller than the sum of its proper divisors (21526173960).

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

10200424440 is a wasteful number, since it uses less digits than its factorization.

10200424440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25117 (or 25113 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 10200424440 its reverse (4442400201), we get a palindrome (14642824641).

The spelling of 10200424440 in words is "ten billion, two hundred million, four hundred twenty-four thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 83 120 123 164 166 205 246 249 328 332 410 415 492 498 615 664 820 830 984 996 1230 1245 1640 1660 1992 2460 2490 3320 3403 4920 4980 6806 9960 10209 13612 17015 20418 24979 27224 34030 40836 49958 51045 68060 74937 81672 99916 102090 124895 136120 149874 199832 204180 249790 299748 374685 408360 499580 599496 749370 999160 1024139 1498740 2048278 2073257 2997480 3072417 4096556 4146514 5120695 6144834 6219771 8193112 8293028 10241390 10366285 12289668 12439542 15362085 16586056 20482780 20732570 24579336 24879084 30724170 31098855 40965560 41465140 49758168 61448340 62197710 82930280 85003537 122896680 124395420 170007074 248790840 255010611 340014148 425017685 510021222 680028296 850035370 1020042444 1275053055 1700070740 2040084888 2550106110 3400141480 5100212220 10200424440