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310045240020 = 22356285182217
BaseRepresentation
bin1001000001100000010…
…00101110101011010100
31002122021120211002111210
410200300020232223110
520034433040140040
6354233253301420
731254132025365
oct4406010565324
91078246732453
10310045240020
1110a54250085a
1250109634870
1323310cc8a09
14110132bdb6c
1580e9506480
hex483022ead4

310045240020 has 48 divisors (see below), whose sum is σ = 868151043648. Its totient is φ = 82676409600.

The previous prime is 310045240009. The next prime is 310045240039. The reversal of 310045240020 is 20042540013.

It is a super-2 number, since 2×3100452400202 (a number of 24 digits) contains 22 as substring.

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, 3729952 + ... + 3812168.

It is an arithmetic number, because the mean of its divisors is an integer number (18086480076).

Almost surely, 2310045240020 is an apocalyptic number.

310045240020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310045240020 is an abundant number, since it is smaller than the sum of its proper divisors (558105803628).

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

310045240020 is a wasteful number, since it uses less digits than its factorization.

310045240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145080 (or 145078 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 310045240020 its reverse (20042540013), we get a palindrome (330087780033).

The spelling of 310045240020 in words is "three hundred ten billion, forty-five million, two hundred forty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 62851 82217 125702 164434 188553 246651 251404 314255 328868 377106 411085 493302 628510 754212 822170 942765 986604 1233255 1257020 1644340 1885530 2466510 3771060 4933020 5167420667 10334841334 15502262001 20669682668 25837103335 31004524002 51674206670 62009048004 77511310005 103348413340 155022620010 310045240020