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80780416251382 = 2972969140247187
BaseRepresentation
bin10010010111100000101000…
…000000111111010111110110
3101121000112101002201020220201
4102113200220000333113312
541042001243030021012
6443450002205151114
723005123006604341
oct2227405000772766
9347015332636821
1080780416251382
112381486703a721
129087951b5b49a
13360c739745653
1415d3b16029458
1595143d7d3857
hex49782803f5f6

80780416251382 has 16 divisors (see below), whose sum is σ = 122461039617840. Its totient is φ = 39960350212608.

The previous prime is 80780416251331. The next prime is 80780416251427. The reversal of 80780416251382 is 28315261408708.

It is a super-2 number, since 2×807804162513822 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69547608 + ... + 70699579.

It is an arithmetic number, because the mean of its divisors is an integer number (7653814976115).

Almost surely, 280780416251382 is an apocalyptic number.

80780416251382 is a deficient number, since it is larger than the sum of its proper divisors (41680623366458).

80780416251382 is a wasteful number, since it uses less digits than its factorization.

80780416251382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140250255.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 80780416251382 in words is "eighty trillion, seven hundred eighty billion, four hundred sixteen million, two hundred fifty-one thousand, three hundred eighty-two".

Divisors: 1 2 97 194 2969 5938 287993 575986 140247187 280494374 13603977139 27207954278 416393898203 832787796406 40390208125691 80780416251382