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101240144412 = 223115314471147
BaseRepresentation
bin101111001001001100…
…0100000001000011100
3100200022121012012120020
41132102120200020130
53124314434110122
6114301543352140
710212553012611
oct1362230401034
9320277165506
10101240144412
1139a32470a40
1217755152650
13971571b3c4
144c85a40508
152978054c5c
hex179262021c

101240144412 has 48 divisors (see below), whose sum is σ = 262564509312. Its totient is φ = 30099983680.

The previous prime is 101240144399. The next prime is 101240144419. The reversal of 101240144412 is 214441042101.

It is a super-2 number, since 2×1012401444122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240144419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7228578 + ... + 7242569.

It is an arithmetic number, because the mean of its divisors is an integer number (5470093944).

Almost surely, 2101240144412 is an apocalyptic number.

101240144412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101240144412 is an abundant number, since it is smaller than the sum of its proper divisors (161324364900).

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

101240144412 is a wasteful number, since it uses less digits than its factorization.

101240144412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471218 (or 14471216 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 101240144412 its reverse (214441042101), we get a palindrome (315681186513).

The spelling of 101240144412 in words is "one hundred one billion, two hundred forty million, one hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 53 66 106 132 159 212 318 583 636 1166 1749 2332 3498 6996 14471147 28942294 43413441 57884588 86826882 159182617 173653764 318365234 477547851 636730468 766970791 955095702 1533941582 1910191404 2300912373 3067883164 4601824746 8436678701 9203649492 16873357402 25310036103 33746714804 50620072206 101240144412