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6810712471031 = 743711972636151
BaseRepresentation
bin110001100011011111000…
…0110001111010111110111
3220010002122021002012112012
41203012332012033113313
51343041314343033111
622252444220514435
71302025542550160
oct143067606172767
926102567065465
106810712471031
1121964526a9197
1291bb659aba1b
133a532a7b1511
141978d6b7a767
15bc26797048b
hex631be18f5f7

6810712471031 has 64 divisors (see below), whose sum is σ = 8150056206336. Its totient is φ = 5570973072000.

The previous prime is 6810712471019. The next prime is 6810712471061. The reversal of 6810712471031 is 1301742170186.

It is not a de Polignac number, because 6810712471031 - 242 = 2412665959927 is a prime.

It is a super-3 number, since 3×68107124710313 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6810712471031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6810712471061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1107249806 + ... + 1107255956.

It is an arithmetic number, because the mean of its divisors is an integer number (127344628224).

Almost surely, 26810712471031 is an apocalyptic number.

6810712471031 is a deficient number, since it is larger than the sum of its proper divisors (1339343735305).

6810712471031 is a wasteful number, since it uses less digits than its factorization.

6810712471031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 6810712471031 in words is "six trillion, eight hundred ten billion, seven hundred twelve million, four hundred seventy-one thousand, thirty-one".

Divisors: 1 7 43 71 197 263 301 497 1379 1841 3053 6151 8471 11309 13987 18673 21371 43057 51811 59297 79163 97909 130711 264493 362677 436721 601441 802939 1211747 1617713 1851451 2227873 3057047 3678581 4210087 5620573 8482229 11323991 15595111 18779003 25750067 52105121 69561659 86034037 114857623 131453021 158178983 318689461 364735847 486931613 602238259 804003361 1107252881 2230826227 3699463591 4938877789 13703646823 22626951731 25896245137 34572144523 95925527761 158388662117 972958924433 6810712471031