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101040232020 = 223571317264033
BaseRepresentation
bin101111000011001110…
…1111001011001010100
3100122210200000121022120
41132012131321121110
53123412244411040
6114230042455540
710204604541630
oct1360635713124
9318720017276
10101040232020
113993a638892
12176ba2045b0
1396b3194c50
144c67281dc0
1529657167d0
hex1786779654

101040232020 has 288 divisors, whose sum is σ = 369893169408. Its totient is φ = 20064043008.

The previous prime is 101040231979. The next prime is 101040232061. The reversal of 101040232020 is 20232040101.

It is an interprime number because it is at equal distance from previous prime (101040231979) and next prime (101040232061).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1545924 + ... + 1609956.

Almost surely, 2101040232020 is an apocalyptic number.

101040232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101040232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184946584704).

101040232020 is an abundant number, since it is smaller than the sum of its proper divisors (268852937388).

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

101040232020 is a wasteful number, since it uses less digits than its factorization.

101040232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64099 (or 64080 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 101040232020 its reverse (20232040101), we get a palindrome (121272272121).

The spelling of 101040232020 in words is "one hundred one billion, forty million, two hundred thirty-two thousand, twenty".