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1023421510132 = 22725699176693
BaseRepresentation
bin11101110010010001010…
…11001111000111110100
310121211122000010102021021
432321020223033013310
5113231431401311012
62102053042430524
7133640224206100
oct16711053170764
93554560112237
101023421510132
1136503784213a
12146419962444
137567b78ab88
1437768cd8900
151b94ca88007
hexee48acf1f4

1023421510132 has 36 divisors (see below), whose sum is σ = 2087055516420. Its totient is φ = 437838328704.

The previous prime is 1023421510121. The next prime is 1023421510211. The reversal of 1023421510132 is 2310151243201.

It can be written as a sum of positive squares in 2 ways, for example, as 215856876816 + 807564633316 = 464604^2 + 898646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023421510097 and 1023421510106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4476823 + ... + 4699870.

It is an arithmetic number, because the mean of its divisors is an integer number (57973764345).

Almost surely, 21023421510132 is an apocalyptic number.

It is an amenable number.

1023421510132 is an abundant number, since it is smaller than the sum of its proper divisors (1063634006288).

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

1023421510132 is a wasteful number, since it uses less digits than its factorization.

1023421510132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177280 (or 9177271 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1023421510132 its reverse (2310151243201), we get a palindrome (3333572753333).

The spelling of 1023421510132 in words is "one trillion, twenty-three billion, four hundred twenty-one million, five hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 569 1138 2276 3983 7966 15932 27881 55762 111524 9176693 18353386 36706772 64236851 128473702 256947404 449657957 899315914 1798631828 5221538317 10443076634 20886153268 36550768219 73101536438 146203072876 255855377533 511710755066 1023421510132