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23022453900 = 223521910094003
BaseRepresentation
bin10101011100001111…
…101100010010001100
32012102110210211112210
4111130033230102030
5334122222011100
614324255030420
71443342425565
oct253417542214
965373724483
1023022453900
119844636406
12456620b410
13222b9214b4
14118589516c
158eb297c50
hex55c3ec48c

23022453900 has 144 divisors (see below), whose sum is σ = 70204534400. Its totient is φ = 5808983040.

The previous prime is 23022453899. The next prime is 23022453907. The reversal of 23022453900 is 935422032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23022453907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5749299 + ... + 5753301.

Almost surely, 223022453900 is an apocalyptic number.

23022453900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23022453900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35102267200).

23022453900 is an abundant number, since it is smaller than the sum of its proper divisors (47182080500).

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

23022453900 is a wasteful number, since it uses less digits than its factorization.

23022453900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 23022453900 its reverse (935422032), we get a palindrome (23957875932).

The spelling of 23022453900 in words is "twenty-three billion, twenty-two million, four hundred fifty-three thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 150 190 228 285 300 380 475 570 950 1009 1140 1425 1900 2018 2850 3027 4003 4036 5045 5700 6054 8006 10090 12009 12108 15135 16012 19171 20015 20180 24018 25225 30270 38342 40030 48036 50450 57513 60045 60540 75675 76057 76684 80060 95855 100075 100900 115026 120090 151350 152114 191710 200150 228171 230052 240180 287565 300225 302700 304228 380285 383420 400300 456342 479275 575130 600450 760570 912684 958550 1140855 1150260 1200900 1437825 1521140 1901425 1917100 2281710 2875650 3802850 4039027 4563420 5704275 5751300 7605700 8078054 11408550 12117081 16156108 20195135 22817100 24234162 40390270 48468324 60585405 76741513 80780540 100975675 121170810 153483026 201951350 230224539 242341620 302927025 306966052 383707565 403902700 460449078 605854050 767415130 920898156 1151122695 1211708100 1534830260 1918537825 2302245390 3837075650 4604490780 5755613475 7674151300 11511226950 23022453900