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157144442873 = 117310113714143
BaseRepresentation
bin1001001001011010001…
…0011110011111111001
3120000121122222211000212
42102112202132133321
510033312434132443
6200105142440505
714232120503525
oct2222642363771
9500548884025
10157144442873
116070aa398a0
1226557433135
1311a84789a52
14786a58ad85
15414ae2b618
hex249689e7f9

157144442873 has 32 divisors (see below), whose sum is σ = 176792758272. Its totient is φ = 138478464000.

The previous prime is 157144442867. The next prime is 157144442893. The reversal of 157144442873 is 378244441751.

It is a cyclic number.

It is not a de Polignac number, because 157144442873 - 26 = 157144442809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157144442813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11104040 + ... + 11118182.

It is an arithmetic number, because the mean of its divisors is an integer number (5524773696).

Almost surely, 2157144442873 is an apocalyptic number.

It is an amenable number.

157144442873 is a deficient number, since it is larger than the sum of its proper divisors (19648315399).

157144442873 is a wasteful number, since it uses less digits than its factorization.

157144442873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465.

The product of its digits is 3010560, while the sum is 50.

It can be divided in two parts, 1571 and 44442873, that added together give a palindrome (44444444).

The spelling of 157144442873 in words is "one hundred fifty-seven billion, one hundred forty-four million, four hundred forty-two thousand, eight hundred seventy-three".

Divisors: 1 11 73 101 137 803 1111 1507 7373 10001 13837 14143 81103 110011 152207 155573 1010101 1032439 1428443 1937591 11111111 11356829 15712873 21313501 104276339 141444143 195696691 1147039729 1555885573 2152663601 14285858443 157144442873