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140180028788 = 22194739244129
BaseRepresentation
bin1000001010001101100…
…0010111110101110100
3111101211101110021211002
42002203120113311310
54244042041410123
6144221532302432
713061535404402
oct2024330276564
9441741407732
10140180028788
11544a4a76468
1223202011a18
13102acc75cc7
146adb4d2472
1539a6933528
hex20a3617d74

140180028788 has 24 divisors (see below), whose sum is σ = 263720553600. Its totient is φ = 64988275968.

The previous prime is 140180028727. The next prime is 140180028817. The reversal of 140180028788 is 887820081041.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19618493 + ... + 19625636.

It is an arithmetic number, because the mean of its divisors is an integer number (10988356400).

Almost surely, 2140180028788 is an apocalyptic number.

It is an amenable number.

140180028788 is a deficient number, since it is larger than the sum of its proper divisors (123540524812).

140180028788 is a wasteful number, since it uses less digits than its factorization.

140180028788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39244199 (or 39244197 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 47.

The spelling of 140180028788 in words is "one hundred forty billion, one hundred eighty million, twenty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 4 19 38 47 76 94 188 893 1786 3572 39244129 78488258 156976516 745638451 1491276902 1844474063 2982553804 3688948126 7377896252 35045007197 70090014394 140180028788