Search a number
-
+
80877267494988 = 22323929281657081
BaseRepresentation
bin10010011000111010110100…
…110011001010100001001100
3101121100210100211102012102020
4102120322310303022201030
541100043120434314423
6444002300451330140
723015122040600136
oct2230726463124114
9347323324365366
1080877267494988
1123851947042508
1290a26812b0950
133618902ab8a13
1415d86a2c00056
15953c0b3934e3
hex498eb4cca84c

80877267494988 has 24 divisors (see below), whose sum is σ = 188721511223280. Its totient is φ = 26957962440960.

The previous prime is 80877267494981. The next prime is 80877267495121. The reversal of 80877267494988 is 88949476277808.

It is a happy number.

It is a super-2 number, since 2×808772674949882 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80877267494981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140541393 + ... + 141115688.

It is an arithmetic number, because the mean of its divisors is an integer number (7863396300970).

Almost surely, 280877267494988 is an apocalyptic number.

It is an amenable number.

80877267494988 is an abundant number, since it is smaller than the sum of its proper divisors (107844243728292).

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

80877267494988 is a wasteful number, since it uses less digits than its factorization.

80877267494988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281681017 (or 281681015 counting only the distinct ones).

The product of its (nonzero) digits is 21849440256, while the sum is 87.

The spelling of 80877267494988 in words is "eighty trillion, eight hundred seventy-seven billion, two hundred sixty-seven million, four hundred ninety-four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 23929 47858 71787 95716 143574 287148 281657081 563314162 844971243 1126628324 1689942486 3379884972 6739772291249 13479544582498 20219316873747 26959089164996 40438633747494 80877267494988