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101012120030 = 25192161246017
BaseRepresentation
bin101111000010011001…
…0101010000111011110
3100122201201010100220202
41132010302222013132
53123333100320110
6114223200143502
710204113565523
oct1360462520736
9318651110822
10101012120030
1139925787938
12176b0907b92
1396aa401433
144c6364514a
1529630120a5
hex1784caa1de

101012120030 has 32 divisors (see below), whose sum is σ = 191480729760. Its totient is φ = 38260408320.

The previous prime is 101012120017. The next prime is 101012120093. The reversal of 101012120030 is 30021210101.

It is a junction number, because it is equal to n+sod(n) for n = 101012119993 and 101012120020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287582 + ... + 533598.

It is an arithmetic number, because the mean of its divisors is an integer number (5983772805).

Almost surely, 2101012120030 is an apocalyptic number.

101012120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101012120030 is a deficient number, since it is larger than the sum of its proper divisors (90468609730).

101012120030 is a wasteful number, since it uses less digits than its factorization.

101012120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248204.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101012120030 its reverse (30021210101), we get a palindrome (131033330131).

The spelling of 101012120030 in words is "one hundred one billion, twelve million, one hundred twenty thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 2161 4322 10805 21610 41059 82118 205295 246017 410590 492034 1230085 2460170 4674323 9348646 23371615 46743230 531642737 1063285474 2658213685 5316427370 10101212003 20202424006 50506060015 101012120030