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1020000121010 = 251331357170877
BaseRepresentation
bin11101101011111001011…
…11101011000010110010
310121111210120011211201122
432311330233223002302
5113202430012333020
62100325342302242
7133456360655513
oct16657457530262
93544716154648
101020000121010
11363641527922
12145823b87982
13752549b6580
1437522760a0a
151b7ec508125
hexed7cbeb0b2

1020000121010 has 64 divisors (see below), whose sum is σ = 2041613005824. Its totient is φ = 364359340800.

The previous prime is 1020000120991. The next prime is 1020000121037. The reversal of 1020000121010 is 101210000201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14355692 + ... + 14426568.

It is an arithmetic number, because the mean of its divisors is an integer number (31900203216).

Almost surely, 21020000121010 is an apocalyptic number.

1020000121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020000121010 is an abundant number, since it is smaller than the sum of its proper divisors (1021612884814).

1020000121010 is a wasteful number, since it uses less digits than its factorization.

1020000121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74499.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1020000121010 its reverse (101210000201), we get a palindrome (1121210121211).

The spelling of 1020000121010 in words is "one trillion, twenty billion, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 806 2015 3571 4030 7142 17855 35710 46423 70877 92846 110701 141754 221402 232115 354385 464230 553505 708770 921401 1107010 1439113 1842802 2197187 2878226 4394374 4607005 7195565 9214010 10985935 14391130 21971870 28563431 57126862 142817155 253101767 285634310 506203534 1265508835 2531017670 3290322971 6580645942 7846154777 15692309554 16451614855 32903229710 39230773885 78461547770 102000012101 204000024202 510000060505 1020000121010