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160421115272 = 231114531254623
BaseRepresentation
bin1001010101100111010…
…1111111010110001000
3120100002000122000112212
42111121311333112020
510112020301142042
6201410233124252
714406245660345
oct2253165772610
9510060560485
10160421115272
11620415a0310
1227110859688
1312187592162
147a9b8137cc
15428d922482
hex2559d7f588

160421115272 has 32 divisors (see below), whose sum is σ = 328360193280. Its totient is φ = 72868445760.

The previous prime is 160421115271. The next prime is 160421115301. The reversal of 160421115272 is 272511124061.

It is a super-2 number, since 2×1604211152722 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (160421115271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499448 + ... + 755175.

It is an arithmetic number, because the mean of its divisors is an integer number (10261256040).

Almost surely, 2160421115272 is an apocalyptic number.

It is an amenable number.

160421115272 is an abundant number, since it is smaller than the sum of its proper divisors (167939078008).

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

160421115272 is a wasteful number, since it uses less digits than its factorization.

160421115272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256093 (or 1256089 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 160421115272 in words is "one hundred sixty billion, four hundred twenty-one million, one hundred fifteen thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 1453 2906 5812 11624 15983 31966 63932 127864 1254623 2509246 5018492 10036984 13800853 27601706 55203412 110406824 1822967219 3645934438 7291868876 14583737752 20052639409 40105278818 80210557636 160421115272