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157404168834 = 23115344998333
BaseRepresentation
bin1001001010011000000…
…1010000001010000010
3120001021202201021001220
42102212001100022002
510034330431400314
6200151021335510
714241423234213
oct2224601201202
9501252637056
10157404168834
1160833605850
122660a407596
1311ac6526353
147892c7940a
154163b323a9
hex24a6050282

157404168834 has 32 divisors (see below), whose sum is σ = 349907045184. Its totient is φ = 46798265280.

The previous prime is 157404168809. The next prime is 157404168839. The reversal of 157404168834 is 438861404751.

It is a super-3 number, since 3×1574041688343 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (157404168839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22495669 + ... + 22502664.

It is an arithmetic number, because the mean of its divisors is an integer number (10934595162).

Almost surely, 2157404168834 is an apocalyptic number.

157404168834 is an abundant number, since it is smaller than the sum of its proper divisors (192502876350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157404168834 is a wasteful number, since it uses less digits than its factorization.

157404168834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44998402.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 157404168834 in words is "one hundred fifty-seven billion, four hundred four million, one hundred sixty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 53 66 106 159 318 583 1166 1749 3498 44998333 89996666 134994999 269989998 494981663 989963326 1484944989 2384911649 2969889978 4769823298 7154734947 14309469894 26234028139 52468056278 78702084417 157404168834