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1220232031010 = 25122023203101
BaseRepresentation
bin10001110000011011011…
…111110010101100100010
311022122122001211202221022
4101300123133302230202
5124443013344443020
62332322235125442
7154105326062126
oct21603337625442
94278561752838
101220232031010
11430552196483
121785a52a3882
138b0b50831a5
14430b956d586
1521b1aedb625
hex11c1b7f2b22

1220232031010 has 8 divisors (see below), whose sum is σ = 2196417655836. Its totient is φ = 488092812400.

The previous prime is 1220232031009. The next prime is 1220232031021. The reversal of 1220232031010 is 101302320221.

It can be written as a sum of positive squares in 2 ways, for example, as 1213617299449 + 6614731561 = 1101643^2 + 81331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1220232031010.

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, 61011601541 + ... + 61011601560.

Almost surely, 21220232031010 is an apocalyptic number.

1220232031010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220232031010 is a deficient number, since it is larger than the sum of its proper divisors (976185624826).

1220232031010 is a wasteful number, since it uses less digits than its factorization.

1220232031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122023203108.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220232031010 its reverse (101302320221), we get a palindrome (1321534351231).

The spelling of 1220232031010 in words is "one trillion, two hundred twenty billion, two hundred thirty-two million, thirty-one thousand, ten".

Divisors: 1 2 5 10 122023203101 244046406202 610116015505 1220232031010