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23103221004 = 22331091962557
BaseRepresentation
bin10101100001000011…
…110010110100001100
32012122002210020012000
4111201003302310030
5334303411033004
614340302112300
71445343065313
oct254103626414
965562706160
1023103221004
119886190986
12458927b690
13224258ca96
1411924bb27a
159033edc39
hex5610f2d0c

23103221004 has 48 divisors (see below), whose sum is σ = 60446786400. Its totient is φ = 7630417728.

The previous prime is 23103220993. The next prime is 23103221021. The reversal of 23103221004 is 40012230132.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 969507 + ... + 993050.

It is an arithmetic number, because the mean of its divisors is an integer number (1259308050).

Almost surely, 223103221004 is an apocalyptic number.

It is an amenable number.

23103221004 is an abundant number, since it is smaller than the sum of its proper divisors (37343565396).

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

23103221004 is a wasteful number, since it uses less digits than its factorization.

23103221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962679 (or 1962671 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23103221004 its reverse (40012230132), we get a palindrome (63115451136).

The spelling of 23103221004 in words is "twenty-three billion, one hundred three million, two hundred twenty-one thousand, four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 109 218 327 436 654 981 1308 1962 2943 3924 5886 11772 1962557 3925114 5887671 7850228 11775342 17663013 23550684 35326026 52989039 70652052 105978078 211956156 213918713 427837426 641756139 855674852 1283512278 1925268417 2567024556 3850536834 5775805251 7701073668 11551610502 23103221004