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157609274990 = 2565393725759
BaseRepresentation
bin1001001011001000111…
…1101010111001101110
3120001211001122201211012
42102302033222321232
510040240433244430
6200223225425222
714246463506306
oct2226217527156
9501731581735
10157609274990
1160929366072
122666703b212
1311b29b7a83b
1478b21ca606
154176b49695
hex24b23eae6e

157609274990 has 32 divisors (see below), whose sum is σ = 284445423360. Its totient is φ = 62877544704.

The previous prime is 157609274989. The next prime is 157609275001. The reversal of 157609274990 is 99472906751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6105731 + ... + 6131489.

It is an arithmetic number, because the mean of its divisors is an integer number (8888919480).

Almost surely, 2157609274990 is an apocalyptic number.

157609274990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157609274990 is a deficient number, since it is larger than the sum of its proper divisors (126836148370).

157609274990 is a wasteful number, since it uses less digits than its factorization.

157609274990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27356.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 157609274990 in words is "one hundred fifty-seven billion, six hundred nine million, two hundred seventy-four thousand, nine hundred ninety".

Divisors: 1 2 5 10 653 937 1306 1874 3265 4685 6530 9370 25759 51518 128795 257590 611861 1223722 3059305 6118610 16820627 24136183 33641254 48272366 84103135 120680915 168206270 241361830 15760927499 31521854998 78804637495 157609274990