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23020302002240 = 26571938443757
BaseRepresentation
bin1010011101111110101001…
…11011000110100001000000
310000111201102102112100112202
411032333110323012201000
511004131034303032430
6120543214124012332
74564106354321624
oct516772473064100
9100451372470482
1023020302002240
117375945384564
1226b95a46910a8
13caca60c3a7ca
1459828d5b1184
1529dc26aecd45
hex14efd4ec6840

23020302002240 has 28 divisors (see below), whose sum is σ = 54817094143596. Its totient is φ = 9208120800768.

The previous prime is 23020302002233. The next prime is 23020302002267. The reversal of 23020302002240 is 4220020302032.

It can be written as a sum of positive squares in 2 ways, for example, as 15675074598976 + 7345227403264 = 3959176^2 + 2710208^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35969221559 + ... + 35969222198.

Almost surely, 223020302002240 is an apocalyptic number.

23020302002240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020302002240 is an abundant number, since it is smaller than the sum of its proper divisors (31796792141356).

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

23020302002240 is an equidigital number, since it uses as much as digits as its factorization.

23020302002240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71938443774 (or 71938443764 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23020302002240 its reverse (4220020302032), we get a palindrome (27240322304272).

The spelling of 23020302002240 in words is "twenty-three trillion, twenty billion, three hundred two million, two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 71938443757 143876887514 287753775028 359692218785 575507550056 719384437570 1151015100112 1438768875140 2302030200224 2877537750280 4604060400448 5755075500560 11510151001120 23020302002240