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168350001850 = 25237593153457
BaseRepresentation
bin1001110011001001110…
…0010010101010111010
3121002112121020012011201
42130302130102222322
510224240100024400
6205201112444414
715106604255632
oct2346234225272
9532477205151
10168350001850
1165440207138
12287640a970a
1312b4c166a14
1482108896c2
1545a4a7206a
hex2732712aba

168350001850 has 48 divisors (see below), whose sum is σ = 322138419768. Its totient is φ = 65409085440.

The previous prime is 168350001829. The next prime is 168350001899. The reversal of 168350001850 is 58100053861.

168350001850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 97969626001 + 70380375849 = 313001^2 + 265293^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020322 + ... + 1173778.

Almost surely, 2168350001850 is an apocalyptic number.

168350001850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168350001850 is a deficient number, since it is larger than the sum of its proper divisors (153788417918).

168350001850 is a wasteful number, since it uses less digits than its factorization.

168350001850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154099 (or 154094 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 168350001850 in words is "one hundred sixty-eight billion, three hundred fifty million, one thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 185 370 593 925 1186 1850 2965 5930 14825 21941 29650 43882 109705 153457 219410 306914 548525 767285 1097050 1534570 3836425 5677909 7672850 11355818 28389545 56779090 91000001 141947725 182000002 283895450 455000005 910000010 2275000025 3367000037 4550000050 6734000074 16835000185 33670000370 84175000925 168350001850