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1020072050 = 25231658111
BaseRepresentation
bin111100110011010…
…001000001110010
32122002110000210022
4330303101001302
54042114301200
6245115403442
734164316664
oct7463210162
92562400708
101020072050
11483893258
12245753582
1313344733a
1499694534
155e848885
hex3ccd1072

1020072050 has 24 divisors (see below), whose sum is σ = 1958541312. Its totient is φ = 394866000.

The previous prime is 1020072049. The next prime is 1020072089. The reversal of 1020072050 is 502700201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327506 + ... + 330605.

It is an arithmetic number, because the mean of its divisors is an integer number (81605888).

Almost surely, 21020072050 is an apocalyptic number.

1020072050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020072050 is a deficient number, since it is larger than the sum of its proper divisors (938469262).

1020072050 is a wasteful number, since it uses less digits than its factorization.

1020072050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658154 (or 658149 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1020072050 is about 31938.5668119282. The cubic root of 1020072050 is about 1006.6464106904.

Adding to 1020072050 its reverse (502700201), we get a palindrome (1522772251).

The spelling of 1020072050 in words is "one billion, twenty million, seventy-two thousand, fifty".

Divisors: 1 2 5 10 25 31 50 62 155 310 775 1550 658111 1316222 3290555 6581110 16452775 20401441 32905550 40802882 102007205 204014410 510036025 1020072050