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80750213619637 = 17411972377247409
BaseRepresentation
bin10010010111000100011111…
…110011000101111110110101
3101120220122102020010121001011
4102113010133303011332311
541041002414141312022
6443424045214032221
723003003366510362
oct2227043763057665
9346818366117034
1080750213619637
1123802a78486441
129081b231a8671
1336099353b4413
1415d248cb15469
15950771ed0977
hex49711fcc5fb5

80750213619637 has 32 divisors (see below), whose sum is σ = 88067584614240. Its totient is φ = 73738826219520.

The previous prime is 80750213619613. The next prime is 80750213619643. The reversal of 80750213619637 is 73691631205708.

It can be written as a sum of positive squares in 16 ways, for example, as 715164514276 + 80035049105361 = 845674^2 + 8946231^2 .

It is a cyclic number.

It is not a de Polignac number, because 80750213619637 - 227 = 80750079401909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80750213619737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326259789 + ... + 326507197.

It is an arithmetic number, because the mean of its divisors is an integer number (2752112019195).

Almost surely, 280750213619637 is an apocalyptic number.

It is an amenable number.

80750213619637 is a deficient number, since it is larger than the sum of its proper divisors (7317370994603).

80750213619637 is a wasteful number, since it uses less digits than its factorization.

80750213619637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250041.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 80750213619637 in words is "eighty trillion, seven hundred fifty billion, two hundred thirteen million, six hundred nineteen thousand, six hundred thirty-seven".

Divisors: 1 17 41 197 697 2377 3349 8077 40409 97457 137309 247409 468269 1656769 4205953 7960573 10143769 19199029 48739573 172444073 326383493 588091193 828572741 1998322493 9997550281 24111738913 33971482381 115853965021 409899561521 1969517405357 4750012565861 80750213619637