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20755230734 = 2737101396713
BaseRepresentation
bin10011010101000110…
…111011000000001110
31222120110121222001102
4103111012323000032
5320001314340414
613311304343102
71333222356530
oct232506730016
958513558042
1020755230734
118890872057
124032a74a92
131c59cb4224
14100c719850
158171ecede
hex4d51bb00e

20755230734 has 32 divisors (see below), whose sum is σ = 36903923136. Its totient is φ = 8568979200.

The previous prime is 20755230653. The next prime is 20755230737. The reversal of 20755230734 is 43703255702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20755230737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146039 + ... + 250674.

It is an arithmetic number, because the mean of its divisors is an integer number (1153247598).

Almost surely, 220755230734 is an apocalyptic number.

20755230734 is a deficient number, since it is larger than the sum of its proper divisors (16148692402).

20755230734 is a wasteful number, since it uses less digits than its factorization.

20755230734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396860.

The product of its (nonzero) digits is 176400, while the sum is 38.

The spelling of 20755230734 in words is "twenty billion, seven hundred fifty-five million, two hundred thirty thousand, seven hundred thirty-four".

Divisors: 1 2 7 14 37 74 101 202 259 518 707 1414 3737 7474 26159 52318 396713 793426 2776991 5553982 14678381 29356762 40068013 80136026 102748667 205497334 280476091 560952182 1482516481 2965032962 10377615367 20755230734