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30102311140 = 22511211164817
BaseRepresentation
bin11100000010001111…
…001101000011100100
32212200212210211212121
4130002033031003210
5443122142424030
621455004555324
72113651265026
oct340217150344
985625724777
1030102311140
1111847a739a0
125a01252b44
132ab9637835
141657c7c016
15bb2ad847a
hex7023cd0e4

30102311140 has 48 divisors (see below), whose sum is σ = 68995390464. Its totient is φ = 10940940800.

The previous prime is 30102311081. The next prime is 30102311167. The reversal of 30102311140 is 4111320103.

It is a super-2 number, since 2×301023111402 (a number of 22 digits) contains 22 as substring.

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, 432012 + ... + 496828.

It is an arithmetic number, because the mean of its divisors is an integer number (1437403968).

Almost surely, 230102311140 is an apocalyptic number.

It is an amenable number.

30102311140 is an abundant number, since it is smaller than the sum of its proper divisors (38893079324).

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

30102311140 is a wasteful number, since it uses less digits than its factorization.

30102311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66948 (or 66946 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30102311140 its reverse (4111320103), we get a palindrome (34213631243).

The spelling of 30102311140 in words is "thirty billion, one hundred two million, three hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2111 4222 8444 10555 21110 23221 42220 46442 64817 92884 116105 129634 232210 259268 324085 464420 648170 712987 1296340 1425974 2851948 3564935 7129870 14259740 136828687 273657374 547314748 684143435 1368286870 1505115557 2736573740 3010231114 6020462228 7525577785 15051155570 30102311140