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21430167124674 = 23711345371343071
BaseRepresentation
bin1001101111101100110010…
…11111111011101011000010
32210212201000012020000110110
410313312121133323223002
510302102440240442144
6113324514411012150
74341164343012510
oct467663137735302
983781005200413
1021430167124674
116912534727620
1224a138773a056
13bc5b18a99329
145413231774b0
152726ab6330b9
hex137d997fbac2

21430167124674 has 64 divisors (see below), whose sum is σ = 53437847887872. Its totient is φ = 5566111862400.

The previous prime is 21430167124643. The next prime is 21430167124679. The reversal of 21430167124674 is 47642176103412.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21430167124679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15284559 + ... + 16627629.

It is an arithmetic number, because the mean of its divisors is an integer number (834966373248).

Almost surely, 221430167124674 is an apocalyptic number.

21430167124674 is an abundant number, since it is smaller than the sum of its proper divisors (32007680763198).

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

21430167124674 is a wasteful number, since it uses less digits than its factorization.

21430167124674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377631.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 21430167124674 in words is "twenty-one trillion, four hundred thirty billion, one hundred sixty-seven million, one hundred twenty-four thousand, six hundred seventy-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 34537 69074 103611 207222 241759 379907 483518 725277 759814 1139721 1343071 1450554 2279442 2659349 2686142 4029213 5318698 7978047 8058426 9401497 14773781 15956094 18802994 28204491 29547562 44321343 56408982 88642686 103416467 206832934 310249401 620498802 46385643127 92771286254 139156929381 278313858762 324699501889 510242074397 649399003778 974098505667 1020484148794 1530726223191 1948197011334 3061452446382 3571694520779 7143389041558 10715083562337 21430167124674