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1023130201020 = 223521911778247
BaseRepresentation
bin11101110001101110100…
…11111110101110111100
310121210212200222101021220
432320313103332232330
5113230332312413040
62102004114553340
7133630056134304
oct16706723765674
93553780871256
101023130201020
113649a8364304
12146358298850
1375633313b15
143773c348604
151b9321e42d0
hexee374febbc

1023130201020 has 48 divisors (see below), whose sum is σ = 2864898989568. Its totient is φ = 272821917760.

The previous prime is 1023130201001. The next prime is 1023130201063. The reversal of 1023130201020 is 201020313201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 925537 + ... + 1703783.

It is an arithmetic number, because the mean of its divisors is an integer number (59685395616).

Almost surely, 21023130201020 is an apocalyptic number.

1023130201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023130201020 is an abundant number, since it is smaller than the sum of its proper divisors (1841768788548).

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

1023130201020 is a wasteful number, since it uses less digits than its factorization.

1023130201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800170 (or 800168 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1023130201020 its reverse (201020313201), we get a palindrome (1224150514221).

The spelling of 1023130201020 in words is "one trillion, twenty-three billion, one hundred thirty million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 21911 43822 65733 87644 109555 131466 219110 262932 328665 438220 657330 778247 1314660 1556494 2334741 3112988 3891235 4669482 7782470 9338964 11673705 15564940 23347410 46694820 17052170017 34104340034 51156510051 68208680068 85260850085 102313020102 170521700170 204626040204 255782550255 341043400340 511565100510 1023130201020