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53172000783 = 321121923111731
BaseRepresentation
bin110001100001010011…
…000101100000001111
312002020122111111200100
4301201103011200033
51332344013011113
640232112302143
73561436356306
oct614123054017
9162218444610
1053172000783
1120606232200
12a37b241953
135024c87175
142805b0b43d
1515b30b1d73
hexc614c580f

53172000783 has 72 divisors (see below), whose sum is σ = 92728621440. Its totient is φ = 29201752800.

The previous prime is 53172000769. The next prime is 53172000787. The reversal of 53172000783 is 38700027135.

53172000783 = T2 + T3 + ... + T6832.

It is not a de Polignac number, because 53172000783 - 226 = 53104891919 is a prime.

It is a super-2 number, since 2×531720007832 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53172000787) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 420028 + ... + 531758.

It is an arithmetic number, because the mean of its divisors is an integer number (1287897520).

Almost surely, 253172000783 is an apocalyptic number.

53172000783 is a deficient number, since it is larger than the sum of its proper divisors (39556620657).

53172000783 is a wasteful number, since it uses less digits than its factorization.

53172000783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111801 (or 111787 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 53172000783 in words is "fifty-three billion, one hundred seventy-two million, seven hundred eighty-three", and thus it is an aban number.

Divisors: 1 3 9 11 19 23 33 57 69 99 121 171 207 209 253 363 437 627 759 1089 1311 1881 2277 2299 2783 3933 4807 6897 8349 14421 20691 25047 43263 52877 111731 158631 335193 475893 1005579 1229041 2122889 2569813 3687123 6368667 7709439 11061369 13519451 19106001 23128317 23351779 28267943 40558353 48826447 70055337 84803829 121675059 146479341 210166011 254411487 256869569 310947373 439438023 537090917 770608707 932842119 1611272751 2311826121 2798526357 4833818253 5908000087 17724000261 53172000783