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73128908189374 = 2277132001639331
BaseRepresentation
bin10000101000001010100110…
…100110000110111010111110
3100120221001111100101120020221
4100220022212212012322332
534041121000444024444
6415310542344531554
721255250342310122
oct2050124646067276
9316831440346227
1073128908189374
112133488322a4a4
128250a57480bba
1331a604616712b
14140b65ac1b582
1586c3b62d3a84
hex4282a6986ebe

73128908189374 has 8 divisors (see below), whose sum is σ = 110089367202888. Its totient is φ = 36432452455080.

The previous prime is 73128908189369. The next prime is 73128908189401. The reversal of 73128908189374 is 47398180982137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66000819112 + ... + 66000820219.

It is an arithmetic number, because the mean of its divisors is an integer number (13761170900361).

Almost surely, 273128908189374 is an apocalyptic number.

73128908189374 is a deficient number, since it is larger than the sum of its proper divisors (36960459013514).

73128908189374 is a wasteful number, since it uses less digits than its factorization.

73128908189374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132001639610.

The product of its (nonzero) digits is 146313216, while the sum is 70.

The spelling of 73128908189374 in words is "seventy-three trillion, one hundred twenty-eight billion, nine hundred eight million, one hundred eighty-nine thousand, three hundred seventy-four".

Divisors: 1 2 277 554 132001639331 264003278662 36564454094687 73128908189374