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38220994950 = 2352377967427
BaseRepresentation
bin100011100110001001…
…100001100110000110
310122122200112201100120
4203212021201212012
51111234033314300
625320344322410
72522103045105
oct434611414606
9118580481316
1038220994950
1115233834236
1274a8173406
1337b1633758
141bc81dc03c
15eda7293a0
hex8e6261986

38220994950 has 48 divisors (see below), whose sum is σ = 94814556480. Its totient is φ = 10189417120.

The previous prime is 38220994943. The next prime is 38220994961. The reversal of 38220994950 is 5949902283.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38220994893 and 38220994902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533137 + ... + 600563.

It is an arithmetic number, because the mean of its divisors is an integer number (1975303260).

Almost surely, 238220994950 is an apocalyptic number.

38220994950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38220994950 is an abundant number, since it is smaller than the sum of its proper divisors (56593561530).

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

38220994950 is a wasteful number, since it uses less digits than its factorization.

38220994950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71221 (or 71216 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 38220994950 in words is "thirty-eight billion, two hundred twenty million, nine hundred ninety-four thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 3779 7558 11337 18895 22674 37790 56685 67427 94475 113370 134854 188950 202281 283425 337135 404562 566850 674270 1011405 1685675 2022810 3371350 5057025 10114050 254806633 509613266 764419899 1274033165 1528839798 2548066330 3822099495 6370165825 7644198990 12740331650 19110497475 38220994950