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1023021011310 = 23568349927819
BaseRepresentation
bin11101110001100001100…
…11011101000101101110
310121210121002111222011120
432320300303131011232
5113230121334330220
62101545214401410
7133624262056044
oct16706063350556
93553532458146
101023021011310
11364951766481
12146327800266
137561680351c
143772ba44394
151b927826a40
hexee30cdd16e

1023021011310 has 32 divisors (see below), whose sum is σ = 2458845279360. Its totient is φ = 272406175008.

The previous prime is 1023021011281. The next prime is 1023021011323. The reversal of 1023021011310 is 131101203201.

It is a happy number.

It is a super-2 number, since 2×10230210113102 (a number of 25 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023021011310.

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, 24943420 + ... + 24984399.

It is an arithmetic number, because the mean of its divisors is an integer number (76838914980).

Almost surely, 21023021011310 is an apocalyptic number.

1023021011310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023021011310 is an abundant number, since it is smaller than the sum of its proper divisors (1435824268050).

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

1023021011310 is a wasteful number, since it uses less digits than its factorization.

1023021011310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49928512.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1023021011310 its reverse (131101203201), we get a palindrome (1154122214511).

The spelling of 1023021011310 in words is "one trillion, twenty-three billion, twenty-one million, eleven thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 683 1366 2049 3415 4098 6830 10245 20490 49927819 99855638 149783457 249639095 299566914 499278190 748917285 1497834570 34100700377 68201400754 102302101131 170503501885 204604202262 341007003770 511510505655 1023021011310