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73970749930 = 25711347276847
BaseRepresentation
bin100010011100100000…
…0000001000111101010
321001221011000102202211
41010321000001013222
52202443002444210
653552013515334
75226031000030
oct1047100010752
9231834012684
1073970749930
1129409618290
12124047a2b4a
136c8ac9751c
14381a114550
151dce00938a
hex11390011ea

73970749930 has 64 divisors (see below), whose sum is σ = 166480883712. Its totient is φ = 22989291840.

The previous prime is 73970749907. The next prime is 73970749967. The reversal of 73970749930 is 3994707937.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128767 + ... + 405613.

It is an arithmetic number, because the mean of its divisors is an integer number (2601263808).

Almost surely, 273970749930 is an apocalyptic number.

73970749930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73970749930 is an abundant number, since it is smaller than the sum of its proper divisors (92510133782).

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

73970749930 is a wasteful number, since it uses less digits than its factorization.

73970749930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277219.

The product of its (nonzero) digits is 9001692, while the sum is 58.

The spelling of 73970749930 in words is "seventy-three billion, nine hundred seventy million, seven hundred forty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 347 385 694 770 1735 2429 3470 3817 4858 7634 12145 19085 24290 26719 38170 53438 133595 267190 276847 553694 1384235 1937929 2768470 3045317 3875858 6090634 9689645 15226585 19379290 21317219 30453170 42634438 96065909 106586095 192131818 213172190 480329545 672461363 960659090 1056724999 1344922726 2113449998 3362306815 5283624995 6724613630 7397074993 10567249990 14794149986 36985374965 73970749930