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40620102500 = 225447523661
BaseRepresentation
bin100101110101001001…
…011001001101100100
310212211212220000012202
4211311021121031210
51131142221240000
630354405434032
72635414113545
oct456511311544
9125755800182
1040620102500
1116254a9724a
127a5770b918
133aa4699113
141d74aa84cc
1510cb175dd5
hex975259364

40620102500 has 120 divisors (see below), whose sum is σ = 91028961408. Its totient is φ = 15847920000.

The previous prime is 40620102491. The next prime is 40620102511. The reversal of 40620102500 is 520102604.

It is a happy number.

It is a super-2 number, since 2×406201025002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61452170 + ... + 61452830.

Almost surely, 240620102500 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 40620102500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45514480704).

40620102500 is an abundant number, since it is smaller than the sum of its proper divisors (50408858908).

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

40620102500 is a wasteful number, since it uses less digits than its factorization.

40620102500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 40620102500 in words is "forty billion, six hundred twenty million, one hundred two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 125 188 235 250 470 500 523 625 661 940 1046 1175 1250 1322 2092 2350 2500 2615 2644 3305 4700 5230 5875 6610 10460 11750 13075 13220 16525 23500 24581 26150 29375 31067 33050 49162 52300 58750 62134 65375 66100 82625 98324 117500 122905 124268 130750 155335 165250 245810 261500 310670 326875 330500 345703 413125 491620 614525 621340 653750 691406 776675 826250 1229050 1307500 1382812 1553350 1652500 1728515 2458100 3072625 3106700 3457030 3883375 6145250 6914060 7766750 8642575 12290500 15363125 15533500 16248041 17285150 19416875 30726250 32496082 34570300 38833750 43212875 61452500 64992164 77667500 81240205 86425750 162480410 172851500 216064375 324960820 406201025 432128750 812402050 864257500 1624804100 2031005125 4062010250 8124020500 10155025625 20310051250 40620102500