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157340697869 = 1092447589903
BaseRepresentation
bin1001001010001000111…
…1001000010100001101
3120001010100021121021102
42102202033020110031
510034213204312434
6200140433112445
714240022602525
oct2224217102415
9501110247242
10157340697869
11608007a4103
12265b10b8725
1311ab6332574
147888676685
15415d29607e
hex24a23c850d

157340697869 has 8 divisors (see below), whose sum is σ = 158849349120. Its totient is φ = 155833231536.

The previous prime is 157340697853. The next prime is 157340697931. The reversal of 157340697869 is 968796043751.

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 157340697869 - 24 = 157340697853 is a prime.

It is a super-2 number, since 2×1573406978692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157340697809) 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, 28229 + ... + 561674.

It is an arithmetic number, because the mean of its divisors is an integer number (19856168640).

Almost surely, 2157340697869 is an apocalyptic number.

It is an amenable number.

157340697869 is a deficient number, since it is larger than the sum of its proper divisors (1508651251).

157340697869 is a wasteful number, since it uses less digits than its factorization.

157340697869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592459.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 157340697869 in words is "one hundred fifty-seven billion, three hundred forty million, six hundred ninety-seven thousand, eight hundred sixty-nine".

Divisors: 1 109 2447 266723 589903 64299427 1443492641 157340697869