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30210141423 = 37111495631559
BaseRepresentation
bin11100001000101010…
…100010110011101111
32212222101201012012210
4130020222202303233
5443332244011143
621513420101503
72116430652030
oct341052426357
985871635183
1030210141423
11118a2923430
125a31394893
132b05a90437
14166830aa87
15bbc2d8033
hex708aa2cef

30210141423 has 64 divisors (see below), whose sum is σ = 50678784000. Its totient is φ = 15550584960.

The previous prime is 30210141413. The next prime is 30210141427. The reversal of 30210141423 is 32414101203.

It is not a de Polignac number, because 30210141423 - 29 = 30210140911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30210141423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210141427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19377118 + ... + 19378676.

It is an arithmetic number, because the mean of its divisors is an integer number (791856000).

Almost surely, 230210141423 is an apocalyptic number.

30210141423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30210141423 is a deficient number, since it is larger than the sum of its proper divisors (20468642577).

30210141423 is a wasteful number, since it uses less digits than its factorization.

30210141423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30210141423 its reverse (32414101203), we get a palindrome (62624242626).

The spelling of 30210141423 in words is "thirty billion, two hundred ten million, one hundred forty-one thousand, four hundred twenty-three".

Divisors: 1 3 7 11 21 33 77 149 231 447 563 1043 1559 1639 1689 3129 3941 4677 4917 6193 10913 11473 11823 17149 18579 32739 34419 43351 51447 83887 120043 130053 232291 251661 360129 587209 696873 877717 922757 1626037 1761627 2555201 2633151 2768271 4878111 6144019 6459299 7665603 9654887 17886407 18432057 19377897 28964661 53659221 67584209 130779833 202752627 392339499 915458831 1438578163 2746376493 4315734489 10070047141 30210141423