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204139415007 = 321161157215309
BaseRepresentation
bin1011111000011110101…
…0000100010111011111
3201111220211022202101100
42332013222010113133
511321034142240012
6233440320044143
720514523253223
oct2760752042737
9644824282340
10204139415007
1179636417a40
1233691a63653
1316333aa4878
149c47b66783
15549ba878dc
hex2f87a845df

204139415007 has 48 divisors (see below), whose sum is σ = 329031574560. Its totient is φ = 120916972800.

The previous prime is 204139414949. The next prime is 204139415009. The reversal of 204139415007 is 700514931402.

204139415007 is a `hidden beast` number, since 2 + 0 + 413 + 94 + 150 + 0 + 7 = 666.

It is not a de Polignac number, because 204139415007 - 28 = 204139414751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204139415009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 840469 + ... + 1055777.

It is an arithmetic number, because the mean of its divisors is an integer number (6854824470).

Almost surely, 2204139415007 is an apocalyptic number.

204139415007 is a deficient number, since it is larger than the sum of its proper divisors (124892159553).

204139415007 is a wasteful number, since it uses less digits than its factorization.

204139415007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215544 (or 215541 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 204139415007 in words is "two hundred four billion, one hundred thirty-nine million, four hundred fifteen thousand, seven".

Divisors: 1 3 9 11 33 61 99 157 183 471 549 671 1413 1727 2013 5181 6039 9577 15543 28731 86193 105347 215309 316041 645927 948123 1937781 2368399 7105197 13133849 21315591 33803513 39401547 101410539 118204641 144472339 304231617 371838643 433417017 1115515929 1300251051 2062014293 3346547787 6186042879 18558128637 22682157223 68046471669 204139415007