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1203022131020 = 22560151106551
BaseRepresentation
bin10001100000011001101…
…101001110111101001100
311021000012200101021100222
4101200121231032331030
5124202242131143040
62320354415210512
7152626003251443
oct21403155167514
94230180337328
101203022131020
114242206a2936
121751a1816a38
13895a174a608
1442325a51d5a
15214601a1bb5
hex11819b4ef4c

1203022131020 has 12 divisors (see below), whose sum is σ = 2526346475184. Its totient is φ = 481208852400.

The previous prime is 1203022130963. The next prime is 1203022131029. The reversal of 1203022131020 is 201312203021.

It is a self number, because there is not a number n which added to its sum of digits gives 1203022131020.

It is not an unprimeable number, because it can be changed into a prime (1203022131029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30075553256 + ... + 30075553295.

It is an arithmetic number, because the mean of its divisors is an integer number (210528872932).

Almost surely, 21203022131020 is an apocalyptic number.

1203022131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203022131020 is an abundant number, since it is smaller than the sum of its proper divisors (1323324344164).

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

1203022131020 is a wasteful number, since it uses less digits than its factorization.

1203022131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60151106560 (or 60151106558 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1203022131020 its reverse (201312203021), we get a palindrome (1404334334041).

The spelling of 1203022131020 in words is "one trillion, two hundred three billion, twenty-two million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 60151106551 120302213102 240604426204 300755532755 601511065510 1203022131020