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157303001730 = 2357749061913
BaseRepresentation
bin1001001001111111111…
…1010101001010000010
3120001000201100102220010
42102133333111022002
510034124032023410
6200133005125350
714236054311330
oct2223777251202
9501021312803
10157303001730
1160791497476
12265a0559856
1311aab594564
147883662b50
154159cebc20
hex249ffd5282

157303001730 has 32 divisors (see below), whose sum is σ = 431459662464. Its totient is φ = 35954971776.

The previous prime is 157303001641. The next prime is 157303001753. The reversal of 157303001730 is 37100303751.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 374530747 + ... + 374531166.

It is an arithmetic number, because the mean of its divisors is an integer number (13483114452).

Almost surely, 2157303001730 is an apocalyptic number.

157303001730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157303001730 is an abundant number, since it is smaller than the sum of its proper divisors (274156660734).

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

157303001730 is a wasteful number, since it uses less digits than its factorization.

157303001730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749061930.

The product of its (nonzero) digits is 6615, while the sum is 30.

The spelling of 157303001730 in words is "one hundred fifty-seven billion, three hundred three million, one thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 749061913 1498123826 2247185739 3745309565 4494371478 5243433391 7490619130 10486866782 11235928695 15730300173 22471857390 26217166955 31460600346 52434333910 78651500865 157303001730