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20043206137154 = 219527452793083
BaseRepresentation
bin1001000111010101011000…
…01011101001010101000010
32121222010000111102200111202
410203222230023221111002
510111341441232342104
6110343415523341202
74136034222103214
oct443525413512502
977863014380452
1020043206137154
116428304380402
1222b8611221802
13b250b2673375
144d414c5705b4
1524b58307e51e
hex123aac2e9542

20043206137154 has 8 divisors (see below), whose sum is σ = 31647167585040. Its totient is φ = 9494150275476.

The previous prime is 20043206137117. The next prime is 20043206137159. The reversal of 20043206137154 is 45173160234002.

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

It is a super-2 number, since 2×200432061371542 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 527452793083 = 20043206137154 / (2 + 0 + 0 + 4 + 3 + 2 + 0 + 6 + 1 + 3 + 7 + 1 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (20043206137159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263726396504 + ... + 263726396579.

It is an arithmetic number, because the mean of its divisors is an integer number (3955895948130).

Almost surely, 220043206137154 is an apocalyptic number.

20043206137154 is a deficient number, since it is larger than the sum of its proper divisors (11603961447886).

20043206137154 is a wasteful number, since it uses less digits than its factorization.

20043206137154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527452793104.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 20043206137154 in words is "twenty trillion, forty-three billion, two hundred six million, one hundred thirty-seven thousand, one hundred fifty-four".

Divisors: 1 2 19 38 527452793083 1054905586166 10021603068577 20043206137154