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154089110940 = 223521611188409
BaseRepresentation
bin1000111110000001101…
…1010011110110011100
3112201201201211212112220
42033200123103312130
510011033303022230
6154442040225340
714063320555332
oct2174033236634
9481651755486
10154089110940
115a392316786
1225a4416b250
13116b87a122b
14765a89db52
15401caa7d10
hex23e06d3d9c

154089110940 has 48 divisors (see below), whose sum is σ = 431649526560. Its totient is φ = 41071380480.

The previous prime is 154089110909. The next prime is 154089110977. The reversal of 154089110940 is 49011980451.

It is a super-2 number, since 2×1540891109402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154089110892 and 154089110901.

It is a congruent number.

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, 464545 + ... + 723864.

It is an arithmetic number, because the mean of its divisors is an integer number (8992698470).

Almost surely, 2154089110940 is an apocalyptic number.

154089110940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154089110940 is an abundant number, since it is smaller than the sum of its proper divisors (277560415620).

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

154089110940 is a wasteful number, since it uses less digits than its factorization.

154089110940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190582 (or 1190580 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 154089110940 in words is "one hundred fifty-four billion, eighty-nine million, one hundred ten thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2161 4322 6483 8644 10805 12966 21610 25932 32415 43220 64830 129660 1188409 2376818 3565227 4753636 5942045 7130454 11884090 14260908 17826135 23768180 35652270 71304540 2568151849 5136303698 7704455547 10272607396 12840759245 15408911094 25681518490 30817822188 38522277735 51363036980 77044555470 154089110940