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80118749451 = 3132054326909
BaseRepresentation
bin100101010011101110…
…0110001100100001011
321122210121120011121210
41022213130301210023
52303040344440301
6100450034504203
75534263063626
oct1124734614413
9248717504553
1080118749451
1130a83a44324
121363b735063
13772a911770
143c4084adbd
15213db28ad6
hex12a773190b

80118749451 has 8 divisors (see below), whose sum is σ = 115042306960. Its totient is φ = 49303845792.

The previous prime is 80118749437. The next prime is 80118749479. The reversal of 80118749451 is 15494781108.

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

It is not a de Polignac number, because 80118749451 - 29 = 80118748939 is a prime.

It is a super-3 number, since 3×801187494513 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80118749451.

It is not an unprimeable number, because it can be changed into a prime (80118744451) 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, 1027163416 + ... + 1027163493.

It is an arithmetic number, because the mean of its divisors is an integer number (14380288370).

Almost surely, 280118749451 is an apocalyptic number.

80118749451 is a deficient number, since it is larger than the sum of its proper divisors (34923557509).

80118749451 is a wasteful number, since it uses less digits than its factorization.

80118749451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054326925.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 80118749451 in words is "eighty billion, one hundred eighteen million, seven hundred forty-nine thousand, four hundred fifty-one".

Divisors: 1 3 13 39 2054326909 6162980727 26706249817 80118749451