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195420580095 = 35138922674967
BaseRepresentation
bin1011010111111111111…
…0010110100011111111
3200200102012022001100210
42311333332112203333
511200210132030340
6225435221123503
720055463344366
oct2657776264377
9620365261323
10195420580095
1175971906254
1231a59b59593
1315574659360
14965bc207dd
15513b3e9180
hex2d7ff968ff

195420580095 has 64 divisors (see below), whose sum is σ = 340726901760. Its totient is φ = 95064972288.

The previous prime is 195420580073. The next prime is 195420580139. The reversal of 195420580095 is 590085024591.

It is a Cunningham number, because it is equal to 4420642-1.

It is not a de Polignac number, because 195420580095 - 29 = 195420579583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39341302 + ... + 39346268.

It is an arithmetic number, because the mean of its divisors is an integer number (5323857840).

Almost surely, 2195420580095 is an apocalyptic number.

195420580095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195420580095 is a deficient number, since it is larger than the sum of its proper divisors (145306321665).

195420580095 is a wasteful number, since it uses less digits than its factorization.

195420580095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 195420580095 in words is "one hundred ninety-five billion, four hundred twenty million, five hundred eighty thousand, ninety-five".

Divisors: 1 3 5 13 15 39 65 89 195 267 445 1157 1335 2267 3471 4967 5785 6801 11335 14901 17355 24835 29471 34005 64571 74505 88413 147355 193713 201763 322855 442063 442065 605289 968565 1008815 1326189 2210315 2622919 3026445 5746819 6630945 7868757 11260189 13114595 17240457 28734095 33780567 39343785 56300945 86202285 146382457 168902835 439147371 731912285 1002156821 2195736855 3006470463 5010784105 13028038673 15032352315 39084116019 65140193365 195420580095