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190002904585 = 5134171295649
BaseRepresentation
bin1011000011110100001…
…1100011111000001001
3200011102121222121201021
42300331003203320021
511103111220421320
6223141445352441
716504310020144
oct2607503437011
9604377877637
10190002904585
117364176047a
12309a7708721
1314bc010aac0
1492a64b705b
154e2098bdaa
hex2c3d0e3e09

190002904585 has 16 divisors (see below), whose sum is σ = 251531053200. Its totient is φ = 136887644160.

The previous prime is 190002904583. The next prime is 190002904621. The reversal of 190002904585 is 585409200091.

It can be written as a sum of positive squares in 8 ways, for example, as 17700705936 + 172302198649 = 133044^2 + 415093^2 .

It is not a de Polignac number, because 190002904585 - 21 = 190002904583 is a prime.

It is a super-2 number, since 2×1900029045852 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190002904583) 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, 35645160 + ... + 35650489.

It is an arithmetic number, because the mean of its divisors is an integer number (15720690825).

Almost surely, 2190002904585 is an apocalyptic number.

It is an amenable number.

190002904585 is a deficient number, since it is larger than the sum of its proper divisors (61528148615).

190002904585 is a wasteful number, since it uses less digits than its factorization.

190002904585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71295708.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 190002904585 in words is "one hundred ninety billion, two million, nine hundred four thousand, five hundred eighty-five".

Divisors: 1 5 13 41 65 205 533 2665 71295649 356478245 926843437 2923121609 4634217185 14615608045 38000580917 190002904585