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11671062020 = 22517214116033
BaseRepresentation
bin10101101111010011…
…00100011000000100
31010010101011101021022
422313221210120010
5142400242441040
65210035210312
7562135250612
oct126751443004
933111141238
1011671062020
114a4a012702
122318746998
13113cc74277
147ca0746b2
154849476b5
hex2b7a64604

11671062020 has 48 divisors (see below), whose sum is σ = 25964689968. Its totient is φ = 4391485440.

The previous prime is 11671061981. The next prime is 11671062121. The reversal of 11671062020 is 2026017611.

It can be written as a sum of positive squares in 8 ways, for example, as 148996 + 11670913024 = 386^2 + 108032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719924 + ... + 735956.

It is an arithmetic number, because the mean of its divisors is an integer number (540931041).

Almost surely, 211671062020 is an apocalyptic number.

11671062020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11671062020 is an abundant number, since it is smaller than the sum of its proper divisors (14293627948).

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

11671062020 is a wasteful number, since it uses less digits than its factorization.

11671062020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200 (or 18198 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 11671062020 its reverse (2026017611), we get a palindrome (13697079631).

The spelling of 11671062020 in words is "eleven billion, six hundred seventy-one million, sixty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2141 4282 8564 10705 16033 21410 32066 36397 42820 64132 72794 80165 145588 160330 181985 272561 320660 363970 545122 727940 1090244 1362805 2725610 5451220 34326653 68653306 137306612 171633265 343266530 583553101 686533060 1167106202 2334212404 2917765505 5835531010 11671062020