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157203387086 = 278601693543
BaseRepresentation
bin1001001001101000001…
…1010101001011001110
3120000202202220111021212
42102122003111023032
510033423031341321
6200115050054422
714233434512534
oct2223203251316
9500682814255
10157203387086
1160740239519
122657311a412
1311a93a57295
147874332154
1541511c155b
hex249a0d52ce

157203387086 has 4 divisors (see below), whose sum is σ = 235805080632. Its totient is φ = 78601693542.

The previous prime is 157203387053. The next prime is 157203387097. The reversal of 157203387086 is 680783302751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1572033870862 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39300846770 + ... + 39300846773.

It is an arithmetic number, because the mean of its divisors is an integer number (58951270158).

Almost surely, 2157203387086 is an apocalyptic number.

157203387086 is a deficient number, since it is larger than the sum of its proper divisors (78601693546).

157203387086 is an equidigital number, since it uses as much as digits as its factorization.

157203387086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78601693545.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 157203387086 in words is "one hundred fifty-seven billion, two hundred three million, three hundred eighty-seven thousand, eighty-six".

Divisors: 1 2 78601693543 157203387086