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101212113030 = 2357539093631
BaseRepresentation
bin101111001000010110…
…1100100100010000110
3100200020122110001201220
41132100231210202012
53124240300104110
6114255102501210
710212062523510
oct1362055444206
9320218401656
10101212113030
1139a18665606
1217747894806
13970c9854a2
144c82024bb0
152975869370
hex1790b64886

101212113030 has 64 divisors (see below), whose sum is σ = 282848329728. Its totient is φ = 22697700480.

The previous prime is 101212113007. The next prime is 101212113031. The reversal of 101212113030 is 30311212101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212113031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4535686 + ... + 4557945.

It is an arithmetic number, because the mean of its divisors is an integer number (4419505152).

Almost surely, 2101212113030 is an apocalyptic number.

101212113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212113030 is an abundant number, since it is smaller than the sum of its proper divisors (181636216698).

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

101212113030 is a wasteful number, since it uses less digits than its factorization.

101212113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9093701.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101212113030 its reverse (30311212101), we get a palindrome (131523325131).

The spelling of 101212113030 in words is "one hundred one billion, two hundred twelve million, one hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 53 70 105 106 159 210 265 318 371 530 742 795 1113 1590 1855 2226 3710 5565 11130 9093631 18187262 27280893 45468155 54561786 63655417 90936310 127310834 136404465 190966251 272808930 318277085 381932502 481962443 636554170 954831255 963924886 1445887329 1909662510 2409812215 2891774658 3373737101 4819624430 6747474202 7229436645 10121211303 14458873290 16868685505 20242422606 33737371010 50606056515 101212113030