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158137952318 = 21910938179129
BaseRepresentation
bin1001001101000111000…
…0011010100000111110
3120010011220110022202222
42103101300122200332
510042331303433233
6200351513045342
714265543262523
oct2232160324076
9503156408688
10158137952318
116107a82a185
12267940b6852
1311bb2563868
1479224c914a
1541a8279898
hex24d1c1a83e

158137952318 has 16 divisors (see below), whose sum is σ = 251982258000. Its totient is φ = 74220224832.

The previous prime is 158137952309. The next prime is 158137952327. The reversal of 158137952318 is 813259731851.

It is an interprime number because it is at equal distance from previous prime (158137952309) and next prime (158137952327).

It is a super-2 number, since 2×1581379523182 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158137952318.

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 in 7 ways as a sum of consecutive naturals, for example, 19085423 + ... + 19093706.

It is an arithmetic number, because the mean of its divisors is an integer number (15748891125).

Almost surely, 2158137952318 is an apocalyptic number.

158137952318 is a deficient number, since it is larger than the sum of its proper divisors (93844305682).

158137952318 is a wasteful number, since it uses less digits than its factorization.

158137952318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38179259.

The product of its digits is 1814400, while the sum is 53.

The spelling of 158137952318 in words is "one hundred fifty-eight billion, one hundred thirty-seven million, nine hundred fifty-two thousand, three hundred eighteen".

Divisors: 1 2 19 38 109 218 2071 4142 38179129 76358258 725403451 1450806902 4161525061 8323050122 79068976159 158137952318