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101023020340 = 22511743618029
BaseRepresentation
bin101111000010101110…
…0001111010100110100
3100122202110122011022221
41132011130033110310
53123343343122330
6114224225532124
710204305335044
oct1360534172464
9318673564287
10101023020340
1139930952460
12176b44a4044
1396ac749a18
144c64c81724
152963e66b7a
hex178570f534

101023020340 has 48 divisors (see below), whose sum is σ = 231746417280. Its totient is φ = 36686142080.

The previous prime is 101023020289. The next prime is 101023020347. The reversal of 101023020340 is 43020320101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023020347) by changing a digit.

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, 145555 + ... + 472474.

It is an arithmetic number, because the mean of its divisors is an integer number (4828050360).

Almost surely, 2101023020340 is an apocalyptic number.

101023020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101023020340 is an abundant number, since it is smaller than the sum of its proper divisors (130723396940).

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

101023020340 is a wasteful number, since it uses less digits than its factorization.

101023020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618792 (or 618790 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 101023020340 its reverse (43020320101), we get a palindrome (144043340441).

The spelling of 101023020340 in words is "one hundred one billion, twenty-three million, twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 743 1486 2972 3715 7430 8173 14860 16346 32692 40865 81730 163460 618029 1236058 2472116 3090145 6180290 6798319 12360580 13596638 27193276 33991595 67983190 135966380 459195547 918391094 1836782188 2295977735 4591955470 5051151017 9183910940 10102302034 20204604068 25255755085 50511510170 101023020340