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1900495870086 = 2311711217333253
BaseRepresentation
bin11011101001111110011…
…000011001100010000110
320201200111211021022121010
4123221332120121202012
5222114203420320321
64013024210103050
7254210026232652
oct33517630314206
96650454238533
101900495870086
11672aa5411280
122683b427aa86
1310a2a66c1ca8
1467dad62ba62
1534682592676
hex1ba7e619886

1900495870086 has 64 divisors (see below), whose sum is σ = 4208406160896. Its totient is φ = 567328204800.

The previous prime is 1900495870003. The next prime is 1900495870177. The reversal of 1900495870086 is 6800785940091.

It is a super-2 number, since 2×19004958700862 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5536236 + ... + 5869488.

It is an arithmetic number, because the mean of its divisors is an integer number (65756346264).

Almost surely, 21900495870086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1900495870086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2104203080448).

1900495870086 is an abundant number, since it is smaller than the sum of its proper divisors (2307910290810).

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

1900495870086 is a wasteful number, since it uses less digits than its factorization.

1900495870086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334557.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 1900495870086 in words is "one trillion, nine hundred billion, four hundred ninety-five million, eight hundred seventy thousand, eighty-six".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1217 1562 2343 2434 3651 4686 7302 13387 26774 40161 80322 86407 172814 259221 333253 518442 666506 950477 999759 1900954 1999518 2851431 3665783 5702862 7331566 10997349 21994698 23660963 47321926 70982889 141965778 260270593 405568901 520541186 780811779 811137802 1216706703 1561623558 2433413406 4461257911 8922515822 13383773733 26767547466 28795391971 57590783942 86386175913 172772351826 316749311681 633498623362 950247935043 1900495870086