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142873015730 = 2549432890411
BaseRepresentation
bin1000010100001111100…
…1010011010110110010
3111122210001210012102012
42011003321103112302
54320100443000410
6145345052322522
713215345411314
oct2050371232662
9448701705365
10142873015730
1155657102405
1223833a73442
131061bb755c3
146cb501b7b4
153ab3080605
hex2143e535b2

142873015730 has 16 divisors (see below), whose sum is σ = 257223544704. Its totient is φ = 57137624880.

The previous prime is 142873015721. The next prime is 142873015829. The reversal of 142873015730 is 37510378241.

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, 1395776 + ... + 1494635.

It is an arithmetic number, because the mean of its divisors is an integer number (16076471544).

Almost surely, 2142873015730 is an apocalyptic number.

142873015730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142873015730 is a deficient number, since it is larger than the sum of its proper divisors (114350528974).

142873015730 is a wasteful number, since it uses less digits than its factorization.

142873015730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895361.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 142873015730 in words is "one hundred forty-two billion, eight hundred seventy-three million, fifteen thousand, seven hundred thirty".

Divisors: 1 2 5 10 4943 9886 24715 49430 2890411 5780822 14452055 28904110 14287301573 28574603146 71436507865 142873015730