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157742403653 = 2292647260231
BaseRepresentation
bin1001001011101000101…
…1100001000001000101
3120002011100011101000102
42102322023201001011
510041024023404103
6200244343053445
714253001210442
oct2227213410105
9502140141012
10157742403653
116099752465a
12266a3741285
1311b4b6203b3
1478c5b629c9
154183694e88
hex24ba2e1045

157742403653 has 8 divisors (see below), whose sum is σ = 158491697280. Its totient is φ = 156993636240.

The previous prime is 157742403647. The next prime is 157742403737. The reversal of 157742403653 is 356304247751.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 157742403653 - 226 = 157675294789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157742403598 and 157742403607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157742403253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476048 + ... + 736278.

It is an arithmetic number, because the mean of its divisors is an integer number (19811462160).

Almost surely, 2157742403653 is an apocalyptic number.

It is an amenable number.

157742403653 is a deficient number, since it is larger than the sum of its proper divisors (749293627).

157742403653 is a wasteful number, since it uses less digits than its factorization.

157742403653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263107.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 157742403653 in words is "one hundred fifty-seven billion, seven hundred forty-two million, four hundred three thousand, six hundred fifty-three".

Divisors: 1 229 2647 260231 606163 59592899 688831457 157742403653