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161263133674148 = 221113679157292793
BaseRepresentation
bin100100101010101011111111…
…110011000100101010100100
3210010222121100001120002210002
4210222223333303010222210
5132114113344210033043
61330551132203320432
745652606533306662
oct4452537763045244
9703877301502702
10161263133674148
1147424346924180
1216105a61220118
136bca08202476c
142bb726a7a7c32
151399c5695bbb8
hex92aaffcc4aa4

161263133674148 has 48 divisors (see below), whose sum is σ = 308125893124224. Its totient is φ = 73239553040640.

The previous prime is 161263133674067. The next prime is 161263133674193. The reversal of 161263133674148 is 841476331362161.

It is a super-2 number, since 2×1612631336741482 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161263133674093 and 161263133674102.

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, 550628840 + ... + 550921632.

It is an arithmetic number, because the mean of its divisors is an integer number (6419289440088).

Almost surely, 2161263133674148 is an apocalyptic number.

It is an amenable number.

161263133674148 is a deficient number, since it is larger than the sum of its proper divisors (146862759450076).

161263133674148 is a wasteful number, since it uses less digits than its factorization.

161263133674148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303332 (or 303330 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 161263133674148 in words is "one hundred sixty-one trillion, two hundred sixty-three billion, one hundred thirty-three million, six hundred seventy-four thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 1367 2734 5468 9157 15037 18314 30074 36628 60148 100727 201454 292793 402908 585586 1171172 3220723 6441446 12517619 12882892 25035238 50070476 137693809 275387618 400248031 550775236 800496062 1600992124 2681105501 4402728341 5362211002 8805456682 10724422004 17610913364 29492160511 58984321022 117968642044 3665071219867 7330142439734 14660284879468 40315783418537 80631566837074 161263133674148