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61404310430030 = 25174573541223207
BaseRepresentation
bin11011111011000110011100…
…00111000110000101001110
322001102012020222012211211202
431331203032013012011032
531022022011432230110
6334332430100345502
715635213024562041
oct1575431607060516
9261365228184752
1061404310430030
1118624470481267
126a786973a5292
13283552b4b7079
141123dad5c2c58
157174013570a5
hex37d8ce1c614e

61404310430030 has 64 divisors (see below), whose sum is σ = 117319121200512. Its totient is φ = 23059715420160.

The previous prime is 61404310429999. The next prime is 61404310430059. The reversal of 61404310430030 is 3003401340416.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61404310429975 and 61404310430002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274988687 + ... + 275211893.

It is an arithmetic number, because the mean of its divisors is an integer number (1833111268758).

Almost surely, 261404310430030 is an apocalyptic number.

61404310430030 is a deficient number, since it is larger than the sum of its proper divisors (55914810770482).

61404310430030 is a wasteful number, since it uses less digits than its factorization.

61404310430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227229.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 61404310430030 its reverse (3003401340416), we get a palindrome (64407711770446).

The spelling of 61404310430030 in words is "sixty-one trillion, four hundred four billion, three hundred ten million, four hundred thirty thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 457 914 2285 3541 4570 7082 7769 15538 17705 35410 38845 60197 77690 120394 223207 300985 446414 601970 1116035 1618237 2232070 3236474 3794519 7589038 8091185 16182370 18972595 27510029 37945190 55020058 102005599 137550145 204011198 275100290 510027995 790375987 1020055990 1580751974 1734095183 3468190366 3951879935 7903759870 8670475915 13436391779 17340951830 26872783558 67181958895 134363917790 361201826059 722403652118 1806009130295 3612018260590 6140431043003 12280862086006 30702155215015 61404310430030