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74081466681420 = 2235111930719243039
BaseRepresentation
bin10000110110000001101111…
…100000011000100001001100
3100201022010012210020200101210
4100312001233200120201030
534202222320432301140
6421320320031134420
721414131543015652
oct2066015740304114
9321263183220353
1074081466681420
1121671856707280
128385599374410
133244b10761b73
1414417c264cdd2
15887067ad6d80
hex43606f81884c

74081466681420 has 192 divisors, whose sum is σ = 238970846822400. Its totient is φ = 16958504528640.

The previous prime is 74081466681419. The next prime is 74081466681421. The reversal of 74081466681420 is 2418666418047.

It is an interprime number because it is at equal distance from previous prime (74081466681419) and next prime (74081466681421).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (74081466681421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5771740 + ... + 13471299.

It is an arithmetic number, because the mean of its divisors is an integer number (1244639827200).

Almost surely, 274081466681420 is an apocalyptic number.

It is an amenable number.

74081466681420 is an abundant number, since it is smaller than the sum of its proper divisors (164889380140980).

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

74081466681420 is a wasteful number, since it uses less digits than its factorization.

74081466681420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19243388 (or 19243386 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 74081466681420 in words is "seventy-four trillion, eighty-one billion, four hundred sixty-six million, six hundred eighty-one thousand, four hundred twenty".