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540061631011 = 72194791211039
BaseRepresentation
bin1111101101111100010…
…11101000001000100011
31220121222211020102121001
413312332023220020203
532322021234143021
61052033443012431
754006142056400
oct7667613501043
91817884212531
10540061631011
11199047790861
128880166a117
133bc09bcb796
141c1d3a752a7
15e0acc41091
hex7dbe2e8223

540061631011 has 24 divisors (see below), whose sum is σ = 662681088000. Its totient is φ = 437630379984.

The previous prime is 540061630993. The next prime is 540061631059. The reversal of 540061631011 is 110136160045.

It is not a de Polignac number, because 540061631011 - 215 = 540061598243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540061631111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159571 + ... + 1051468.

It is an arithmetic number, because the mean of its divisors is an integer number (27611712000).

Almost surely, 2540061631011 is an apocalyptic number.

540061631011 is a deficient number, since it is larger than the sum of its proper divisors (122619456989).

540061631011 is a wasteful number, since it uses less digits than its factorization.

540061631011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211551 (or 1211544 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 540061631011 its reverse (110136160045), we get a palindrome (650197791056).

The spelling of 540061631011 in words is "five hundred forty billion, sixty-one million, six hundred thirty-one thousand, eleven".

Divisors: 1 7 19 49 133 479 931 3353 9101 23471 63707 445949 1211039 8477273 23009741 59340911 161068187 580087681 1127477309 4060613767 11021665939 28424296369 77151661573 540061631011