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1903303045930 = 2511133340939839
BaseRepresentation
bin11011101100100101101…
…100111011001100101010
320201221202110110121220211
4123230211230323030222
5222140431034432210
64014210525411334
7254336423646046
oct33544554731452
96657673417824
101903303045930
11674205a50010
12268a58409b4a
1310a6331624a0
146819839d026
1534798c4838a
hex1bb25b3b32a

1903303045930 has 64 divisors (see below), whose sum is σ = 4025108505600. Its totient is φ = 638835793920.

The previous prime is 1903303045879. The next prime is 1903303045979. The reversal of 1903303045930 is 395403033091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47754951 + ... + 47794789.

It is an arithmetic number, because the mean of its divisors is an integer number (62892320400).

Almost surely, 21903303045930 is an apocalyptic number.

1903303045930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1903303045930 is an abundant number, since it is smaller than the sum of its proper divisors (2121805459670).

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

1903303045930 is a wasteful number, since it uses less digits than its factorization.

1903303045930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73279.

The product of its (nonzero) digits is 131220, while the sum is 40.

The spelling of 1903303045930 in words is "one trillion, nine hundred three billion, three hundred three million, forty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 33409 39839 66818 79678 167045 199195 334090 367499 398390 434317 438229 517907 734998 868634 876458 1035814 1837495 2171585 2191145 2589535 3674990 4343170 4382290 4777487 5179070 5696977 9554974 11393954 23887435 28484885 47774870 56969770 1330981151 2661962302 6654905755 13309811510 14640792661 17302754963 29281585322 34605509926 73203963305 86513774815 146407926610 173027549630 190330304593 380660609186 951651522965 1903303045930