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73142984380 = 2253657149219
BaseRepresentation
bin100010000011110101…
…0010101111010111100
320222210110102120220111
41010013222111322330
52144244101000010
653333523555404
75166360052264
oct1040752257274
9228713376814
1073142984380
1129024342824
121221352bb64
136b8864271b
14377c1dc7a4
151d814ea58a
hex1107a95ebc

73142984380 has 12 divisors (see below), whose sum is σ = 153600267240. Its totient is φ = 29257193744.

The previous prime is 73142984359. The next prime is 73142984393. The reversal of 73142984380 is 8348924137.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828574590 + ... + 1828574629.

It is an arithmetic number, because the mean of its divisors is an integer number (12800022270).

Almost surely, 273142984380 is an apocalyptic number.

It is an amenable number.

73142984380 is an abundant number, since it is smaller than the sum of its proper divisors (80457282860).

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

73142984380 is a wasteful number, since it uses less digits than its factorization.

73142984380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657149228 (or 3657149226 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 73142984380 in words is "seventy-three billion, one hundred forty-two million, nine hundred eighty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 3657149219 7314298438 14628596876 18285746095 36571492190 73142984380