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20189033370 = 23251120392963
BaseRepresentation
bin10010110011010111…
…000011001110011010
31221010000020011021200
4102303113003032122
5312321343031440
613135201015030
71313205644412
oct226327031632
957100204250
1020189033370
118620201650
123ab5324476
131b998c23bc
14d97451642
157d265ac30
hex4b35c339a

20189033370 has 48 divisors (see below), whose sum is σ = 57263442912. Its totient is φ = 4894310880.

The previous prime is 20189033353. The next prime is 20189033437. The reversal of 20189033370 is 7333098102.

It is a happy number.

20189033370 is a `hidden beast` number, since 201 + 89 + 0 + 3 + 3 + 370 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10195492 + ... + 10197471.

It is an arithmetic number, because the mean of its divisors is an integer number (1192988394).

Almost surely, 220189033370 is an apocalyptic number.

20189033370 is an abundant number, since it is smaller than the sum of its proper divisors (37074409542).

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

20189033370 is a wasteful number, since it uses less digits than its factorization.

20189033370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20392987 (or 20392984 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 20189033370 in words is "twenty billion, one hundred eighty-nine million, thirty-three thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 20392963 40785926 61178889 101964815 122357778 183536667 203929630 224322593 305894445 367073334 448645186 611788890 672967779 917683335 1121612965 1345935558 1835366670 2018903337 2243225930 3364838895 4037806674 6729677790 10094516685 20189033370