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12119151940 = 2257731185827
BaseRepresentation
bin10110100100101101…
…11001010101000100
31011021121022201002021
423102112321111010
5144310000330230
65322323252524
7606216043330
oct132226712504
934247281067
1012119151940
115159a44255
12242281a144
1311b1a5272c
1482d7967c0
154ade59c7a
hex2d25b9544

12119151940 has 48 divisors (see below), whose sum is σ = 29484427392. Its totient is φ = 4098214656.

The previous prime is 12119151937. The next prime is 12119151991. The reversal of 12119151940 is 4915191121.

It is a junction number, because it is equal to n+sod(n) for n = 12119151896 and 12119151905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582694 + ... + 603133.

It is an arithmetic number, because the mean of its divisors is an integer number (614258904).

Almost surely, 212119151940 is an apocalyptic number.

12119151940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12119151940 is an abundant number, since it is smaller than the sum of its proper divisors (17365275452).

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

12119151940 is a wasteful number, since it uses less digits than its factorization.

12119151940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185916 (or 1185914 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 34.

The spelling of 12119151940 in words is "twelve billion, one hundred nineteen million, one hundred fifty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 73 140 146 292 365 511 730 1022 1460 2044 2555 5110 10220 1185827 2371654 4743308 5929135 8300789 11858270 16601578 23716540 33203156 41503945 83007890 86565371 166015780 173130742 346261484 432826855 605957597 865653710 1211915194 1731307420 2423830388 3029787985 6059575970 12119151940